Finding the Fourth Proportional to 105,856.62, 146,080.71 and 60,541.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,856.62 : 146,080.71 = 60,541.98 : x
2. Step 2: Convert to fraction form
   105,856.62/146,080.71 = 60,541.98/x
3. Step 3: Cross multiply
   105,856.62x = 146,080.71 × 60,541.98
4. Step 4: Simplify right side
   105,856.62x = 8,844,015,423.21
5. Step 5: Solve for x
   x = 8,844,015,423.21/105,856.62
6. Step 6: Final answer
   x = 83,547.12