Finding the Fourth Proportional to 248,087.96, 342,386.82 and 146,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,087.96 : 342,386.82 = 146,145.50 : x
2. Step 2: Convert to fraction form
   248,087.96/342,386.82 = 146,145.50/x
3. Step 3: Cross multiply
   248,087.96x = 342,386.82 × 146,145.50
4. Step 4: Simplify right side
   248,087.96x = 50,038,293,002.31
5. Step 5: Solve for x
   x = 50,038,293,002.31/248,087.96
6. Step 6: Final answer
   x = 201,695.77