Finding the Fourth Proportional to 42,256.72, 63,395.08 and 13,793.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.72 : 63,395.08 = 13,793.52 : x
2. Step 2: Convert to fraction form
   42,256.72/63,395.08 = 13,793.52/x
3. Step 3: Cross multiply
   42,256.72x = 63,395.08 × 13,793.52
4. Step 4: Simplify right side
   42,256.72x = 874,441,303.88
5. Step 5: Solve for x
   x = 874,441,303.88/42,256.72
6. Step 6: Final answer
   x = 20,693.54