Finding the Fourth Proportional to 89,642,995.56, 123,704,067.86 and 49,948,475.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,642,995.56 : 123,704,067.86 = 49,948,475.36 : x
2. Step 2: Convert to fraction form
   89,642,995.56/123,704,067.86 = 49,948,475.36/x
3. Step 3: Cross multiply
   89,642,995.56x = 123,704,067.86 × 49,948,475.36
4. Step 4: Simplify right side
   89,642,995.56x = 6,178,829,585,436,978
5. Step 5: Solve for x
   x = 6,178,829,585,436,978/89,642,995.56
6. Step 6: Final answer
   x = 68,927,076.20