Finding the Fourth Proportional to 278,824.72, 384,778.72 and 151,500.48

Step by Step Solution

1. Step 1: Write the proportion equation
   278,824.72 : 384,778.72 = 151,500.48 : x
2. Step 2: Convert to fraction form
   278,824.72/384,778.72 = 151,500.48/x
3. Step 3: Cross multiply
   278,824.72x = 384,778.72 × 151,500.48
4. Step 4: Simplify right side
   278,824.72x = 58,294,160,773.79
5. Step 5: Solve for x
   x = 58,294,160,773.79/278,824.72
6. Step 6: Final answer
   x = 209,070.99