Finding the Fourth Proportional to 99,843,753.37, 137,798,066.28 and 57,456,442.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,843,753.37 : 137,798,066.28 = 57,456,442.18 : x
2. Step 2: Convert to fraction form
   99,843,753.37/137,798,066.28 = 57,456,442.18/x
3. Step 3: Cross multiply
   99,843,753.37x = 137,798,066.28 × 57,456,442.18
4. Step 4: Simplify right side
   99,843,753.37x = 7,917,386,627,732,628
5. Step 5: Solve for x
   x = 7,917,386,627,732,628/99,843,753.37
6. Step 6: Final answer
   x = 79,297,766.36