Finding the Fourth Proportional to 35,158.62, 52,736.55 and 12,962.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,158.62 : 52,736.55 = 12,962.40 : x
2. Step 2: Convert to fraction form
   35,158.62/52,736.55 = 12,962.40/x
3. Step 3: Cross multiply
   35,158.62x = 52,736.55 × 12,962.40
4. Step 4: Simplify right side
   35,158.62x = 683,592,255.72
5. Step 5: Solve for x
   x = 683,592,255.72/35,158.62
6. Step 6: Final answer
   x = 19,443.09