Finding the Fourth Proportional to 278,410.39, 384,206.59 and 151,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   278,410.39 : 384,206.59 = 151,085.98 : x
2. Step 2: Convert to fraction form
   278,410.39/384,206.59 = 151,085.98/x
3. Step 3: Cross multiply
   278,410.39x = 384,206.59 × 151,085.98
4. Step 4: Simplify right side
   278,410.39x = 58,048,229,172.61
5. Step 5: Solve for x
   x = 58,048,229,172.61/278,410.39
6. Step 6: Final answer
   x = 208,498.79