Finding the Fourth Proportional to 99,845,751.31, 137,784,493.71 and 55,793,112.14

Step by Step Solution

1. Step 1: Write the proportion equation
   99,845,751.31 : 137,784,493.71 = 55,793,112.14 : x
2. Step 2: Convert to fraction form
   99,845,751.31/137,784,493.71 = 55,793,112.14/x
3. Step 3: Cross multiply
   99,845,751.31x = 137,784,493.71 × 55,793,112.14
4. Step 4: Simplify right side
   99,845,751.31x = 7,687,425,708,510,177
5. Step 5: Solve for x
   x = 7,687,425,708,510,177/99,845,751.31
6. Step 6: Final answer
   x = 76,993,017.81