Finding the Fourth Proportional to 99,625.41, 137,412.72 and 59,307.93

Step by Step Solution

1. Step 1: Write the proportion equation
   99,625.41 : 137,412.72 = 59,307.93 : x
2. Step 2: Convert to fraction form
   99,625.41/137,412.72 = 59,307.93/x
3. Step 3: Cross multiply
   99,625.41x = 137,412.72 × 59,307.93
4. Step 4: Simplify right side
   99,625.41x = 8,149,663,978.87
5. Step 5: Solve for x
   x = 8,149,663,978.87/99,625.41
6. Step 6: Final answer
   x = 81,803.07