Finding the Fourth Proportional to 278,405.71, 384,200.88 and 151,081.27

Step by Step Solution

1. Step 1: Write the proportion equation
   278,405.71 : 384,200.88 = 151,081.27 : x
2. Step 2: Convert to fraction form
   278,405.71/384,200.88 = 151,081.27/x
3. Step 3: Cross multiply
   278,405.71x = 384,200.88 × 151,081.27
4. Step 4: Simplify right side
   278,405.71x = 58,045,556,885.52
5. Step 5: Solve for x
   x = 58,045,556,885.52/278,405.71
6. Step 6: Final answer
   x = 208,492.70