Finding the Fourth Proportional to 106,139.02, 146,492.78 and 60,847.42

Step by Step Solution

1. Step 1: Write the proportion equation
   106,139.02 : 146,492.78 = 60,847.42 : x
2. Step 2: Convert to fraction form
   106,139.02/146,492.78 = 60,847.42/x
3. Step 3: Cross multiply
   106,139.02x = 146,492.78 × 60,847.42
4. Step 4: Simplify right side
   106,139.02x = 8,913,707,711.63
5. Step 5: Solve for x
   x = 8,913,707,711.63/106,139.02
6. Step 6: Final answer
   x = 83,981.44