Finding the Fourth Proportional to 71,008.07, 106,404.33 and 52,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,008.07 : 106,404.33 = 52,198.50 : x
2. Step 2: Convert to fraction form
   71,008.07/106,404.33 = 52,198.50/x
3. Step 3: Cross multiply
   71,008.07x = 106,404.33 × 52,198.50
4. Step 4: Simplify right side
   71,008.07x = 5,554,146,715.00
5. Step 5: Solve for x
   x = 5,554,146,715.00/71,008.07
6. Step 6: Final answer
   x = 78,218.53