Finding the Fourth Proportional to 282,762.01, 390,302.61 and 181,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,762.01 : 390,302.61 = 181,061.50 : x
2. Step 2: Convert to fraction form
   282,762.01/390,302.61 = 181,061.50/x
3. Step 3: Cross multiply
   282,762.01x = 390,302.61 × 181,061.50
4. Step 4: Simplify right side
   282,762.01x = 70,668,776,020.52
5. Step 5: Solve for x
   x = 70,668,776,020.52/282,762.01
6. Step 6: Final answer
   x = 249,923.16