Finding the Fourth Proportional to 99,089.50, 136,778.96 and 58,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,089.50 : 136,778.96 = 58,803.25 : x
2. Step 2: Convert to fraction form
   99,089.50/136,778.96 = 58,803.25/x
3. Step 3: Cross multiply
   99,089.50x = 136,778.96 × 58,803.25
4. Step 4: Simplify right side
   99,089.50x = 8,043,047,379.62
5. Step 5: Solve for x
   x = 8,043,047,379.62/99,089.50
6. Step 6: Final answer
   x = 81,169.53