Finding the Fourth Proportional to 42,714.90, 58,949.82 and 31,436.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,714.90 : 58,949.82 = 31,436.04 : x
2. Step 2: Convert to fraction form
   42,714.90/58,949.82 = 31,436.04/x
3. Step 3: Cross multiply
   42,714.90x = 58,949.82 × 31,436.04
4. Step 4: Simplify right side
   42,714.90x = 1,853,148,899.51
5. Step 5: Solve for x
   x = 1,853,148,899.51/42,714.90
6. Step 6: Final answer
   x = 43,384.13