Finding the Fourth Proportional to 66,443.59, 91,714.37 and 39,594.52

Step by Step Solution

1. Step 1: Write the proportion equation
   66,443.59 : 91,714.37 = 39,594.52 : x
2. Step 2: Convert to fraction form
   66,443.59/91,714.37 = 39,594.52/x
3. Step 3: Cross multiply
   66,443.59x = 91,714.37 × 39,594.52
4. Step 4: Simplify right side
   66,443.59x = 3,631,386,457.25
5. Step 5: Solve for x
   x = 3,631,386,457.25/66,443.59
6. Step 6: Final answer
   x = 54,653.68