Finding the Fourth Proportional to 101,244.50, 139,717.41 and 56,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,244.50 : 139,717.41 = 56,532.50 : x
2. Step 2: Convert to fraction form
   101,244.50/139,717.41 = 56,532.50/x
3. Step 3: Cross multiply
   101,244.50x = 139,717.41 × 56,532.50
4. Step 4: Simplify right side
   101,244.50x = 7,898,574,480.83
5. Step 5: Solve for x
   x = 7,898,574,480.83/101,244.50
6. Step 6: Final answer
   x = 78,014.85