Finding the Fourth Proportional to 8,910.34, 12,292.29 and 5,132.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.34 : 12,292.29 = 5,132.52 : x
2. Step 2: Convert to fraction form
   8,910.34/12,292.29 = 5,132.52/x
3. Step 3: Cross multiply
   8,910.34x = 12,292.29 × 5,132.52
4. Step 4: Simplify right side
   8,910.34x = 63,090,424.27
5. Step 5: Solve for x
   x = 63,090,424.27/8,910.34
6. Step 6: Final answer
   x = 7,080.59