Finding the Fourth Proportional to 42,976.31, 59,310.86 and 23,857.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,976.31 : 59,310.86 = 23,857.28 : x
2. Step 2: Convert to fraction form
   42,976.31/59,310.86 = 23,857.28/x
3. Step 3: Cross multiply
   42,976.31x = 59,310.86 × 23,857.28
4. Step 4: Simplify right side
   42,976.31x = 1,414,995,378.22
5. Step 5: Solve for x
   x = 1,414,995,378.22/42,976.31
6. Step 6: Final answer
   x = 32,925.01