Finding the Fourth Proportional to 82,585.52, 123,875.28 and 23,420.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,585.52 : 123,875.28 = 23,420.96 : x
2. Step 2: Convert to fraction form
   82,585.52/123,875.28 = 23,420.96/x
3. Step 3: Cross multiply
   82,585.52x = 123,875.28 × 23,420.96
4. Step 4: Simplify right side
   82,585.52x = 2,901,277,977.87
5. Step 5: Solve for x
   x = 2,901,277,977.87/82,585.52
6. Step 6: Final answer
   x = 35,130.59