Finding the Fourth Proportional to 17,656.17, 26,490.72 and 16,612.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,656.17 : 26,490.72 = 16,612.89 : x
2. Step 2: Convert to fraction form
   17,656.17/26,490.72 = 16,612.89/x
3. Step 3: Cross multiply
   17,656.17x = 26,490.72 × 16,612.89
4. Step 4: Simplify right side
   17,656.17x = 440,087,417.38
5. Step 5: Solve for x
   x = 440,087,417.38/17,656.17
6. Step 6: Final answer
   x = 24,925.42