Finding the Fourth Proportional to 14,034.60, 21,050.69 and 5,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,034.60 : 21,050.69 = 5,715.50 : x
2. Step 2: Convert to fraction form
   14,034.60/21,050.69 = 5,715.50/x
3. Step 3: Cross multiply
   14,034.60x = 21,050.69 × 5,715.50
4. Step 4: Simplify right side
   14,034.60x = 120,315,084.86
5. Step 5: Solve for x
   x = 120,315,084.86/14,034.60
6. Step 6: Final answer
   x = 8,572.75