Finding the Fourth Proportional to 22,787.17, 31,455.89 and 13,837.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,787.17 : 31,455.89 = 13,837.56 : x
2. Step 2: Convert to fraction form
   22,787.17/31,455.89 = 13,837.56/x
3. Step 3: Cross multiply
   22,787.17x = 31,455.89 × 13,837.56
4. Step 4: Simplify right side
   22,787.17x = 435,272,796.28
5. Step 5: Solve for x
   x = 435,272,796.28/22,787.17
6. Step 6: Final answer
   x = 19,101.66