Finding the Fourth Proportional to 510,069.62, 765,147.27 and 155,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   510,069.62 : 765,147.27 = 155,086.72 : x
2. Step 2: Convert to fraction form
   510,069.62/765,147.27 = 155,086.72/x
3. Step 3: Cross multiply
   510,069.62x = 765,147.27 × 155,086.72
4. Step 4: Simplify right side
   510,069.62x = 118,664,175,820.08
5. Step 5: Solve for x
   x = 118,664,175,820.08/510,069.62
6. Step 6: Final answer
   x = 232,643.10