Finding the Fourth Proportional to 42,633.60, 58,838.58 and 31,859.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,633.60 : 58,838.58 = 31,859.82 : x
2. Step 2: Convert to fraction form
   42,633.60/58,838.58 = 31,859.82/x
3. Step 3: Cross multiply
   42,633.60x = 58,838.58 × 31,859.82
4. Step 4: Simplify right side
   42,633.60x = 1,874,586,567.86
5. Step 5: Solve for x
   x = 1,874,586,567.86/42,633.60
6. Step 6: Final answer
   x = 43,969.70