Finding the Fourth Proportional to 510,891.39, 766,336.59 and 240,956.55

Step by Step Solution

1. Step 1: Write the proportion equation
   510,891.39 : 766,336.59 = 240,956.55 : x
2. Step 2: Convert to fraction form
   510,891.39/766,336.59 = 240,956.55/x
3. Step 3: Cross multiply
   510,891.39x = 766,336.59 × 240,956.55
4. Step 4: Simplify right side
   510,891.39x = 184,653,820,865.17
5. Step 5: Solve for x
   x = 184,653,820,865.17/510,891.39
6. Step 6: Final answer
   x = 361,434.59