Finding the Fourth Proportional to 99,843,752.37, 137,798,064.90 and 57,456,441.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,843,752.37 : 137,798,064.90 = 57,456,441.18 : x
2. Step 2: Convert to fraction form
   99,843,752.37/137,798,064.90 = 57,456,441.18/x
3. Step 3: Cross multiply
   99,843,752.37x = 137,798,064.90 × 57,456,441.18
4. Step 4: Simplify right side
   99,843,752.37x = 7,917,386,410,806,126
5. Step 5: Solve for x
   x = 7,917,386,410,806,126/99,843,752.37
6. Step 6: Final answer
   x = 79,297,764.99