Finding the Fourth Proportional to 71,055.18, 106,574.31 and 55,276.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,055.18 : 106,574.31 = 55,276.02 : x
2. Step 2: Convert to fraction form
   71,055.18/106,574.31 = 55,276.02/x
3. Step 3: Cross multiply
   71,055.18x = 106,574.31 × 55,276.02
4. Step 4: Simplify right side
   71,055.18x = 5,891,003,691.05
5. Step 5: Solve for x
   x = 5,891,003,691.05/71,055.18
6. Step 6: Final answer
   x = 82,907.45