Finding the Fourth Proportional to 17,592.91, 26,389.50 and 5,113.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,592.91 : 26,389.50 = 5,113.78 : x
2. Step 2: Convert to fraction form
   17,592.91/26,389.50 = 5,113.78/x
3. Step 3: Cross multiply
   17,592.91x = 26,389.50 × 5,113.78
4. Step 4: Simplify right side
   17,592.91x = 134,950,097.31
5. Step 5: Solve for x
   x = 134,950,097.31/17,592.91
6. Step 6: Final answer
   x = 7,670.71