Finding the Fourth Proportional to 278,517.56, 384,354.72 and 151,193.24

Step by Step Solution

1. Step 1: Write the proportion equation
   278,517.56 : 384,354.72 = 151,193.24 : x
2. Step 2: Convert to fraction form
   278,517.56/384,354.72 = 151,193.24/x
3. Step 3: Cross multiply
   278,517.56x = 384,354.72 × 151,193.24
4. Step 4: Simplify right side
   278,517.56x = 58,111,835,426.09
5. Step 5: Solve for x
   x = 58,111,835,426.09/278,517.56
6. Step 6: Final answer
   x = 208,646.94