Finding the Fourth Proportional to 25,090.86, 37,417.02 and 21,985.32

Step by Step Solution

1. Step 1: Write the proportion equation
   25,090.86 : 37,417.02 = 21,985.32 : x
2. Step 2: Convert to fraction form
   25,090.86/37,417.02 = 21,985.32/x
3. Step 3: Cross multiply
   25,090.86x = 37,417.02 × 21,985.32
4. Step 4: Simplify right side
   25,090.86x = 822,625,158.15
5. Step 5: Solve for x
   x = 822,625,158.15/25,090.86
6. Step 6: Final answer
   x = 32,785.85