Finding the Fourth Proportional to 99,792.26, 137,709.89 and 59,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   99,792.26 : 137,709.89 = 59,485.24 : x
2. Step 2: Convert to fraction form
   99,792.26/137,709.89 = 59,485.24/x
3. Step 3: Cross multiply
   99,792.26x = 137,709.89 × 59,485.24
4. Step 4: Simplify right side
   99,792.26x = 8,191,705,857.02
5. Step 5: Solve for x
   x = 8,191,705,857.02/99,792.26
6. Step 6: Final answer
   x = 82,087.59