Finding the Fourth Proportional to 12,585.96, 18,881.46 and 7,047.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585.96 : 18,881.46 = 7,047.18 : x
2. Step 2: Convert to fraction form
   12,585.96/18,881.46 = 7,047.18/x
3. Step 3: Cross multiply
   12,585.96x = 18,881.46 × 7,047.18
4. Step 4: Simplify right side
   12,585.96x = 133,061,047.28
5. Step 5: Solve for x
   x = 133,061,047.28/12,585.96
6. Step 6: Final answer
   x = 10,572.18