Finding the Fourth Proportional to 507,501.72, 700,301.34 and 281,104.92

Step by Step Solution

1. Step 1: Write the proportion equation
   507,501.72 : 700,301.34 = 281,104.92 : x
2. Step 2: Convert to fraction form
   507,501.72/700,301.34 = 281,104.92/x
3. Step 3: Cross multiply
   507,501.72x = 700,301.34 × 281,104.92
4. Step 4: Simplify right side
   507,501.72x = 196,858,152,156.59
5. Step 5: Solve for x
   x = 196,858,152,156.59/507,501.72
6. Step 6: Final answer
   x = 387,896.52