Finding the Fourth Proportional to 12,832.04, 19,251.46 and 5,436.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,832.04 : 19,251.46 = 5,436.78 : x
2. Step 2: Convert to fraction form
   12,832.04/19,251.46 = 5,436.78/x
3. Step 3: Cross multiply
   12,832.04x = 19,251.46 × 5,436.78
4. Step 4: Simplify right side
   12,832.04x = 104,665,952.70
5. Step 5: Solve for x
   x = 104,665,952.70/12,832.04
6. Step 6: Final answer
   x = 8,156.61