Finding the Fourth Proportional to 82,301.10, 123,455.70 and 42,935.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,301.10 : 123,455.70 = 42,935.10 : x
2. Step 2: Convert to fraction form
   82,301.10/123,455.70 = 42,935.10/x
3. Step 3: Cross multiply
   82,301.10x = 123,455.70 × 42,935.10
4. Step 4: Simplify right side
   82,301.10x = 5,300,582,825.07
5. Step 5: Solve for x
   x = 5,300,582,825.07/82,301.10
6. Step 6: Final answer
   x = 64,404.76