Finding the Fourth Proportional to 50,357,356,134.47, 69,499,245,291.13 and 28,660,774,059.78

Step by Step Solution

1. Step 1: Write the proportion equation
   50,357,356,134.47 : 69,499,245,291.13 = 28,660,774,059.78 : x
2. Step 2: Convert to fraction form
   50,357,356,134.47/69,499,245,291.13 = 28,660,774,059.78/x
3. Step 3: Cross multiply
   50,357,356,134.47x = 69,499,245,291.13 × 28,660,774,059.78
4. Step 4: Simplify right side
   50,357,356,134.47x = 1,991,902,166,614,097,788,928
5. Step 5: Solve for x
   x = 1,991,902,166,614,097,788,928/50,357,356,134.47
6. Step 6: Final answer
   x = 39,555,336,489.38