Finding the Fourth Proportional to 81,510.84, 112,552.20 and 51,344.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,510.84 : 112,552.20 = 51,344.82 : x
2. Step 2: Convert to fraction form
   81,510.84/112,552.20 = 51,344.82/x
3. Step 3: Cross multiply
   81,510.84x = 112,552.20 × 51,344.82
4. Step 4: Simplify right side
   81,510.84x = 5,778,972,449.60
5. Step 5: Solve for x
   x = 5,778,972,449.60/81,510.84
6. Step 6: Final answer
   x = 70,898.21