Finding the Fourth Proportional to 23,495.61, 32,425.98 and 12,887.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,495.61 : 32,425.98 = 12,887.31 : x
2. Step 2: Convert to fraction form
   23,495.61/32,425.98 = 12,887.31/x
3. Step 3: Cross multiply
   23,495.61x = 32,425.98 × 12,887.31
4. Step 4: Simplify right side
   23,495.61x = 417,883,656.31
5. Step 5: Solve for x
   x = 417,883,656.31/23,495.61
6. Step 6: Final answer
   x = 17,785.61