Finding the Fourth Proportional to 132,189.10, 182,422.38 and 71,760.31

Step by Step Solution

1. Step 1: Write the proportion equation
   132,189.10 : 182,422.38 = 71,760.31 : x
2. Step 2: Convert to fraction form
   132,189.10/182,422.38 = 71,760.31/x
3. Step 3: Cross multiply
   132,189.10x = 182,422.38 × 71,760.31
4. Step 4: Simplify right side
   132,189.10x = 13,090,686,539.74
5. Step 5: Solve for x
   x = 13,090,686,539.74/132,189.10
6. Step 6: Final answer
   x = 99,030.00