Finding the Fourth Proportional to 113,284.01, 156,314.43 and 65,541.80

Step by Step Solution

1. Step 1: Write the proportion equation
   113,284.01 : 156,314.43 = 65,541.80 : x
2. Step 2: Convert to fraction form
   113,284.01/156,314.43 = 65,541.80/x
3. Step 3: Cross multiply
   113,284.01x = 156,314.43 × 65,541.80
4. Step 4: Simplify right side
   113,284.01x = 10,245,129,498.96
5. Step 5: Solve for x
   x = 10,245,129,498.96/113,284.01
6. Step 6: Final answer
   x = 90,437.56