Finding the Fourth Proportional to 278,386.34, 384,174.17 and 151,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   278,386.34 : 384,174.17 = 151,061.94 : x
2. Step 2: Convert to fraction form
   278,386.34/384,174.17 = 151,061.94/x
3. Step 3: Cross multiply
   278,386.34x = 384,174.17 × 151,061.94
4. Step 4: Simplify right side
   278,386.34x = 58,034,094,662.78
5. Step 5: Solve for x
   x = 58,034,094,662.78/278,386.34
6. Step 6: Final answer
   x = 208,466.03