Finding the Fourth Proportional to 35,470.52, 53,198.31 and 10,510.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,470.52 : 53,198.31 = 10,510.78 : x
2. Step 2: Convert to fraction form
   35,470.52/53,198.31 = 10,510.78/x
3. Step 3: Cross multiply
   35,470.52x = 53,198.31 × 10,510.78
4. Step 4: Simplify right side
   35,470.52x = 559,155,732.78
5. Step 5: Solve for x
   x = 559,155,732.78/35,470.52
6. Step 6: Final answer
   x = 15,763.96