Finding the Fourth Proportional to 9,009.31, 13,520.12 and 3,165.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.31 : 13,520.12 = 3,165.92 : x
2. Step 2: Convert to fraction form
   9,009.31/13,520.12 = 3,165.92/x
3. Step 3: Cross multiply
   9,009.31x = 13,520.12 × 3,165.92
4. Step 4: Simplify right side
   9,009.31x = 42,803,602.48
5. Step 5: Solve for x
   x = 42,803,602.48/9,009.31
6. Step 6: Final answer
   x = 4,751.04