Finding the Fourth Proportional to 82,561.44, 123,737.94 and 45,043.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,561.44 : 123,737.94 = 45,043.32 : x
2. Step 2: Convert to fraction form
   82,561.44/123,737.94 = 45,043.32/x
3. Step 3: Cross multiply
   82,561.44x = 123,737.94 × 45,043.32
4. Step 4: Simplify right side
   82,561.44x = 5,573,567,627.56
5. Step 5: Solve for x
   x = 5,573,567,627.56/82,561.44
6. Step 6: Final answer
   x = 67,508.12