Finding the Fourth Proportional to 11,726.52, 17,588.84 and 5,152.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726.52 : 17,588.84 = 5,152.74 : x
2. Step 2: Convert to fraction form
   11,726.52/17,588.84 = 5,152.74/x
3. Step 3: Cross multiply
   11,726.52x = 17,588.84 × 5,152.74
4. Step 4: Simplify right side
   11,726.52x = 90,630,693.66
5. Step 5: Solve for x
   x = 90,630,693.66/11,726.52
6. Step 6: Final answer
   x = 7,728.69