Finding the Fourth Proportional to 71,404.28, 106,468.04 and 69,442.51

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.28 : 106,468.04 = 69,442.51 : x
2. Step 2: Convert to fraction form
   71,404.28/106,468.04 = 69,442.51/x
3. Step 3: Cross multiply
   71,404.28x = 106,468.04 × 69,442.51
4. Step 4: Simplify right side
   71,404.28x = 7,393,408,592.04
5. Step 5: Solve for x
   x = 7,393,408,592.04/71,404.28
6. Step 6: Final answer
   x = 103,542.93