Finding the Fourth Proportional to 278,641.41, 384,514.88 and 151,314.27

Step by Step Solution

1. Step 1: Write the proportion equation
   278,641.41 : 384,514.88 = 151,314.27 : x
2. Step 2: Convert to fraction form
   278,641.41/384,514.88 = 151,314.27/x
3. Step 3: Cross multiply
   278,641.41x = 384,514.88 × 151,314.27
4. Step 4: Simplify right side
   278,641.41x = 58,182,587,614.77
5. Step 5: Solve for x
   x = 58,182,587,614.77/278,641.41
6. Step 6: Final answer
   x = 208,808.12