Finding the Fourth Proportional to 42,043.31, 63,063.14 and 10,452.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,043.31 : 63,063.14 = 10,452.70 : x
2. Step 2: Convert to fraction form
   42,043.31/63,063.14 = 10,452.70/x
3. Step 3: Cross multiply
   42,043.31x = 63,063.14 × 10,452.70
4. Step 4: Simplify right side
   42,043.31x = 659,180,083.48
5. Step 5: Solve for x
   x = 659,180,083.48/42,043.31
6. Step 6: Final answer
   x = 15,678.60