Finding the Fourth Proportional to 12,053.33, 18,085.47 and 7,132.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053.33 : 18,085.47 = 7,132.58 : x
2. Step 2: Convert to fraction form
   12,053.33/18,085.47 = 7,132.58/x
3. Step 3: Cross multiply
   12,053.33x = 18,085.47 × 7,132.58
4. Step 4: Simplify right side
   12,053.33x = 128,996,061.61
5. Step 5: Solve for x
   x = 128,996,061.61/12,053.33
6. Step 6: Final answer
   x = 10,702.11