Finding the Fourth Proportional to 11,613.60, 17,407.98 and 5,366.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,613.60 : 17,407.98 = 5,366.34 : x
2. Step 2: Convert to fraction form
   11,613.60/17,407.98 = 5,366.34/x
3. Step 3: Cross multiply
   11,613.60x = 17,407.98 × 5,366.34
4. Step 4: Simplify right side
   11,613.60x = 93,417,139.39
5. Step 5: Solve for x
   x = 93,417,139.39/11,613.60
6. Step 6: Final answer
   x = 8,043.77