Finding the Fourth Proportional to 278,491.59, 384,318.86 and 151,167.15

Step by Step Solution

1. Step 1: Write the proportion equation
   278,491.59 : 384,318.86 = 151,167.15 : x
2. Step 2: Convert to fraction form
   278,491.59/384,318.86 = 151,167.15/x
3. Step 3: Cross multiply
   278,491.59x = 384,318.86 × 151,167.15
4. Step 4: Simplify right side
   278,491.59x = 58,096,386,001.61
5. Step 5: Solve for x
   x = 58,096,386,001.61/278,491.59
6. Step 6: Final answer
   x = 208,610.92