Finding the Fourth Proportional to 42,370.43, 63,556.01 and 10,780.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,370.43 : 63,556.01 = 10,780.52 : x
2. Step 2: Convert to fraction form
   42,370.43/63,556.01 = 10,780.52/x
3. Step 3: Cross multiply
   42,370.43x = 63,556.01 × 10,780.52
4. Step 4: Simplify right side
   42,370.43x = 685,167,022.77
5. Step 5: Solve for x
   x = 685,167,022.77/42,370.43
6. Step 6: Final answer
   x = 16,170.88