Finding the Fourth Proportional to 22,513.35, 31,068.75 and 12,442.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.35 : 31,068.75 = 12,442.02 : x
2. Step 2: Convert to fraction form
   22,513.35/31,068.75 = 12,442.02/x
3. Step 3: Cross multiply
   22,513.35x = 31,068.75 × 12,442.02
4. Step 4: Simplify right side
   22,513.35x = 386,558,008.88
5. Step 5: Solve for x
   x = 386,558,008.88/22,513.35
6. Step 6: Final answer
   x = 17,170.17