Finding the Fourth Proportional to 58,743.49, 81,066.20 and 31,886.02

Step by Step Solution

1. Step 1: Write the proportion equation
   58,743.49 : 81,066.20 = 31,886.02 : x
2. Step 2: Convert to fraction form
   58,743.49/81,066.20 = 31,886.02/x
3. Step 3: Cross multiply
   58,743.49x = 81,066.20 × 31,886.02
4. Step 4: Simplify right side
   58,743.49x = 2,584,878,474.52
5. Step 5: Solve for x
   x = 2,584,878,474.52/58,743.49
6. Step 6: Final answer
   x = 44,002.81