Finding the Fourth Proportional to 248,085.96, 342,384.06 and 146,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,085.96 : 342,384.06 = 146,143.50 : x
2. Step 2: Convert to fraction form
   248,085.96/342,384.06 = 146,143.50/x
3. Step 3: Cross multiply
   248,085.96x = 342,384.06 × 146,143.50
4. Step 4: Simplify right side
   248,085.96x = 50,037,204,872.61
5. Step 5: Solve for x
   x = 50,037,204,872.61/248,085.96
6. Step 6: Final answer
   x = 201,693.01