Finding the Fourth Proportional to 83,139.92, 114,651.12 and 51,302.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,139.92 : 114,651.12 = 51,302.06 : x
2. Step 2: Convert to fraction form
   83,139.92/114,651.12 = 51,302.06/x
3. Step 3: Cross multiply
   83,139.92x = 114,651.12 × 51,302.06
4. Step 4: Simplify right side
   83,139.92x = 5,881,838,637.31
5. Step 5: Solve for x
   x = 5,881,838,637.31/83,139.92
6. Step 6: Final answer
   x = 70,746.26