Finding the Fourth Proportional to 84,061.77, 126,023.94 and 39,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   84,061.77 : 126,023.94 = 39,111.12 : x
2. Step 2: Convert to fraction form
   84,061.77/126,023.94 = 39,111.12/x
3. Step 3: Cross multiply
   84,061.77x = 126,023.94 × 39,111.12
4. Step 4: Simplify right side
   84,061.77x = 4,928,937,440.21
5. Step 5: Solve for x
   x = 4,928,937,440.21/84,061.77
6. Step 6: Final answer
   x = 58,634.71