Finding the Fourth Proportional to 82,403.10, 123,608.70 and 43,037.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,403.10 : 123,608.70 = 43,037.10 : x
2. Step 2: Convert to fraction form
   82,403.10/123,608.70 = 43,037.10/x
3. Step 3: Cross multiply
   82,403.10x = 123,608.70 × 43,037.10
4. Step 4: Simplify right side
   82,403.10x = 5,319,759,982.77
5. Step 5: Solve for x
   x = 5,319,759,982.77/82,403.10
6. Step 6: Final answer
   x = 64,557.77