Finding the Fourth Proportional to 105,025.50, 157,558.37 and 57,614.63

Step by Step Solution

1. Step 1: Write the proportion equation
   105,025.50 : 157,558.37 = 57,614.63 : x
2. Step 2: Convert to fraction form
   105,025.50/157,558.37 = 57,614.63/x
3. Step 3: Cross multiply
   105,025.50x = 157,558.37 × 57,614.63
4. Step 4: Simplify right side
   105,025.50x = 9,077,666,115.09
5. Step 5: Solve for x
   x = 9,077,666,115.09/105,025.50
6. Step 6: Final answer
   x = 86,432.97