Finding the Fourth Proportional to 7,909.35, 10,917.50 and 5,552.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,909.35 : 10,917.50 = 5,552.07 : x
2. Step 2: Convert to fraction form
   7,909.35/10,917.50 = 5,552.07/x
3. Step 3: Cross multiply
   7,909.35x = 10,917.50 × 5,552.07
4. Step 4: Simplify right side
   7,909.35x = 60,614,696.46
5. Step 5: Solve for x
   x = 60,614,696.46/7,909.35
6. Step 6: Final answer
   x = 7,663.68