Finding the Fourth Proportional to 103,657.52, 143,047.36 and 58,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,657.52 : 143,047.36 = 58,945.52 : x
2. Step 2: Convert to fraction form
   103,657.52/143,047.36 = 58,945.52/x
3. Step 3: Cross multiply
   103,657.52x = 143,047.36 × 58,945.52
4. Step 4: Simplify right side
   103,657.52x = 8,432,001,019.83
5. Step 5: Solve for x
   x = 8,432,001,019.83/103,657.52
6. Step 6: Final answer
   x = 81,344.81