Finding the Fourth Proportional to 84,100.18, 126,149.91 and 31,534.42

Step by Step Solution

1. Step 1: Write the proportion equation
   84,100.18 : 126,149.91 = 31,534.42 : x
2. Step 2: Convert to fraction form
   84,100.18/126,149.91 = 31,534.42/x
3. Step 3: Cross multiply
   84,100.18x = 126,149.91 × 31,534.42
4. Step 4: Simplify right side
   84,100.18x = 3,978,064,244.90
5. Step 5: Solve for x
   x = 3,978,064,244.90/84,100.18
6. Step 6: Final answer
   x = 47,301.50