Finding the Fourth Proportional to 81,843.10, 112,905.33 and 53,160.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,843.10 : 112,905.33 = 53,160.82 : x
2. Step 2: Convert to fraction form
   81,843.10/112,905.33 = 53,160.82/x
3. Step 3: Cross multiply
   81,843.10x = 112,905.33 × 53,160.82
4. Step 4: Simplify right side
   81,843.10x = 6,002,139,925.17
5. Step 5: Solve for x
   x = 6,002,139,925.17/81,843.10
6. Step 6: Final answer
   x = 73,337.15