Finding the Fourth Proportional to 12,641.81, 17,445.71 and 7,052.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,641.81 : 17,445.71 = 7,052.81 : x
2. Step 2: Convert to fraction form
   12,641.81/17,445.71 = 7,052.81/x
3. Step 3: Cross multiply
   12,641.81x = 17,445.71 × 7,052.81
4. Step 4: Simplify right side
   12,641.81x = 123,041,312.74
5. Step 5: Solve for x
   x = 123,041,312.74/12,641.81
6. Step 6: Final answer
   x = 9,732.89