Finding the Fourth Proportional to 11,656.32, 17,479.87 and 5,077.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,656.32 : 17,479.87 = 5,077.91 : x
2. Step 2: Convert to fraction form
   11,656.32/17,479.87 = 5,077.91/x
3. Step 3: Cross multiply
   11,656.32x = 17,479.87 × 5,077.91
4. Step 4: Simplify right side
   11,656.32x = 88,761,139.35
5. Step 5: Solve for x
   x = 88,761,139.35/11,656.32
6. Step 6: Final answer
   x = 7,614.85