Finding the Fourth Proportional to 17,892.56, 26,838.86 and 5,580.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,892.56 : 26,838.86 = 5,580.56 : x
2. Step 2: Convert to fraction form
   17,892.56/26,838.86 = 5,580.56/x
3. Step 3: Cross multiply
   17,892.56x = 26,838.86 × 5,580.56
4. Step 4: Simplify right side
   17,892.56x = 149,775,907.76
5. Step 5: Solve for x
   x = 149,775,907.76/17,892.56
6. Step 6: Final answer
   x = 8,370.85