Finding the Fourth Proportional to 71,826.62, 107,805.51 and 55,132.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,826.62 : 107,805.51 = 55,132.52 : x
2. Step 2: Convert to fraction form
   71,826.62/107,805.51 = 55,132.52/x
3. Step 3: Cross multiply
   71,826.62x = 107,805.51 × 55,132.52
4. Step 4: Simplify right side
   71,826.62x = 5,943,588,897.16
5. Step 5: Solve for x
   x = 5,943,588,897.16/71,826.62
6. Step 6: Final answer
   x = 82,749.12