Finding the Fourth Proportional to 82,641.16, 123,963.12 and 43,275.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,641.16 : 123,963.12 = 43,275.16 : x
2. Step 2: Convert to fraction form
   82,641.16/123,963.12 = 43,275.16/x
3. Step 3: Cross multiply
   82,641.16x = 123,963.12 × 43,275.16
4. Step 4: Simplify right side
   82,641.16x = 5,364,523,852.10
5. Step 5: Solve for x
   x = 5,364,523,852.10/82,641.16
6. Step 6: Final answer
   x = 64,913.46