Finding the Fourth Proportional to 103,485.50, 142,810.17 and 58,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,485.50 : 142,810.17 = 58,773.50 : x
2. Step 2: Convert to fraction form
   103,485.50/142,810.17 = 58,773.50/x
3. Step 3: Cross multiply
   103,485.50x = 142,810.17 × 58,773.50
4. Step 4: Simplify right side
   103,485.50x = 8,393,453,526.50
5. Step 5: Solve for x
   x = 8,393,453,526.50/103,485.50
6. Step 6: Final answer
   x = 81,107.53