Finding the Fourth Proportional to 82,476.45, 123,689.97 and 43,012.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,476.45 : 123,689.97 = 43,012.02 : x
2. Step 2: Convert to fraction form
   82,476.45/123,689.97 = 43,012.02/x
3. Step 3: Cross multiply
   82,476.45x = 123,689.97 × 43,012.02
4. Step 4: Simplify right side
   82,476.45x = 5,320,155,463.44
5. Step 5: Solve for x
   x = 5,320,155,463.44/82,476.45
6. Step 6: Final answer
   x = 64,505.15