Finding the Fourth Proportional to 91,644.02, 137,467.84 and 41,689.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,644.02 : 137,467.84 = 41,689.30 : x
2. Step 2: Convert to fraction form
   91,644.02/137,467.84 = 41,689.30/x
3. Step 3: Cross multiply
   91,644.02x = 137,467.84 × 41,689.30
4. Step 4: Simplify right side
   91,644.02x = 5,730,938,022.11
5. Step 5: Solve for x
   x = 5,730,938,022.11/91,644.02
6. Step 6: Final answer
   x = 62,534.77