Finding the Fourth Proportional to 112,822.49, 155,710.58 and 65,074.79

Step by Step Solution

1. Step 1: Write the proportion equation
   112,822.49 : 155,710.58 = 65,074.79 : x
2. Step 2: Convert to fraction form
   112,822.49/155,710.58 = 65,074.79/x
3. Step 3: Cross multiply
   112,822.49x = 155,710.58 × 65,074.79
4. Step 4: Simplify right side
   112,822.49x = 10,132,832,190.35
5. Step 5: Solve for x
   x = 10,132,832,190.35/112,822.49
6. Step 6: Final answer
   x = 89,812.17