Finding the Fourth Proportional to 9,061.31, 12,498.85 and 6,547.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.31 : 12,498.85 = 6,547.12 : x
2. Step 2: Convert to fraction form
   9,061.31/12,498.85 = 6,547.12/x
3. Step 3: Cross multiply
   9,061.31x = 12,498.85 × 6,547.12
4. Step 4: Simplify right side
   9,061.31x = 81,831,470.81
5. Step 5: Solve for x
   x = 81,831,470.81/9,061.31
6. Step 6: Final answer
   x = 9,030.87