Finding the Fourth Proportional to 278,404.71, 384,199.50 and 151,080.27

Step by Step Solution

1. Step 1: Write the proportion equation
   278,404.71 : 384,199.50 = 151,080.27 : x
2. Step 2: Convert to fraction form
   278,404.71/384,199.50 = 151,080.27/x
3. Step 3: Cross multiply
   278,404.71x = 384,199.50 × 151,080.27
4. Step 4: Simplify right side
   278,404.71x = 58,044,964,193.87
5. Step 5: Solve for x
   x = 58,044,964,193.87/278,404.71
6. Step 6: Final answer
   x = 208,491.32