Finding the Fourth Proportional to 112,901.16, 155,802.31 and 65,153.48

Step by Step Solution

1. Step 1: Write the proportion equation
   112,901.16 : 155,802.31 = 65,153.48 : x
2. Step 2: Convert to fraction form
   112,901.16/155,802.31 = 65,153.48/x
3. Step 3: Cross multiply
   112,901.16x = 155,802.31 × 65,153.48
4. Step 4: Simplify right side
   112,901.16x = 10,151,062,688.54
5. Step 5: Solve for x
   x = 10,151,062,688.54/112,901.16
6. Step 6: Final answer
   x = 89,911.06