Finding the Fourth Proportional to 99,382,323.42, 137,146,307.22 and 57,572,088.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,382,323.42 : 137,146,307.22 = 57,572,088.48 : x
2. Step 2: Convert to fraction form
   99,382,323.42/137,146,307.22 = 57,572,088.48/x
3. Step 3: Cross multiply
   99,382,323.42x = 137,146,307.22 × 57,572,088.48
4. Step 4: Simplify right side
   99,382,323.42x = 7,895,799,333,975,102
5. Step 5: Solve for x
   x = 7,895,799,333,975,102/99,382,323.42
6. Step 6: Final answer
   x = 79,448,729.54