Finding the Fourth Proportional to 22,538.16, 31,102.56 and 12,602.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,538.16 : 31,102.56 = 12,602.16 : x
2. Step 2: Convert to fraction form
   22,538.16/31,102.56 = 12,602.16/x
3. Step 3: Cross multiply
   22,538.16x = 31,102.56 × 12,602.16
4. Step 4: Simplify right side
   22,538.16x = 391,959,437.53
5. Step 5: Solve for x
   x = 391,959,437.53/22,538.16
6. Step 6: Final answer
   x = 17,390.92