Finding the Fourth Proportional to 112,820.99, 155,708.51 and 65,073.29

Step by Step Solution

1. Step 1: Write the proportion equation
   112,820.99 : 155,708.51 = 65,073.29 : x
2. Step 2: Convert to fraction form
   112,820.99/155,708.51 = 65,073.29/x
3. Step 3: Cross multiply
   112,820.99x = 155,708.51 × 65,073.29
4. Step 4: Simplify right side
   112,820.99x = 10,132,463,922.79
5. Step 5: Solve for x
   x = 10,132,463,922.79/112,820.99
6. Step 6: Final answer
   x = 89,810.10