Finding the Fourth Proportional to 30,499,124.20, 42,087,642 and 16,560,177.93

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499,124.20 : 42,087,642 = 16,560,177.93 : x
2. Step 2: Convert to fraction form
   30,499,124.20/42,087,642 = 16,560,177.93/x
3. Step 3: Cross multiply
   30,499,124.20x = 42,087,642 × 16,560,177.93
4. Step 4: Simplify right side
   30,499,124.20x = 696,978,840,174,141
5. Step 5: Solve for x
   x = 696,978,840,174,141/30,499,124.20
6. Step 6: Final answer
   x = 22,852,421.45