Finding the Fourth Proportional to 71,572.01, 107,191.86 and 69,080.95

Step by Step Solution

1. Step 1: Write the proportion equation
   71,572.01 : 107,191.86 = 69,080.95 : x
2. Step 2: Convert to fraction form
   71,572.01/107,191.86 = 69,080.95/x
3. Step 3: Cross multiply
   71,572.01x = 107,191.86 × 69,080.95
4. Step 4: Simplify right side
   71,572.01x = 7,404,915,396.00
5. Step 5: Solve for x
   x = 7,404,915,396.00/71,572.01
6. Step 6: Final answer
   x = 103,461.06