Finding the Fourth Proportional to 71,022.67, 106,432.50 and 52,154.71

Step by Step Solution

1. Step 1: Write the proportion equation
   71,022.67 : 106,432.50 = 52,154.71 : x
2. Step 2: Convert to fraction form
   71,022.67/106,432.50 = 52,154.71/x
3. Step 3: Cross multiply
   71,022.67x = 106,432.50 × 52,154.71
4. Step 4: Simplify right side
   71,022.67x = 5,550,956,172.08
5. Step 5: Solve for x
   x = 5,550,956,172.08/71,022.67
6. Step 6: Final answer
   x = 78,157.53