Finding the Fourth Proportional to 42,275.52, 63,403.14 and 14,196.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,275.52 : 63,403.14 = 14,196.60 : x
2. Step 2: Convert to fraction form
   42,275.52/63,403.14 = 14,196.60/x
3. Step 3: Cross multiply
   42,275.52x = 63,403.14 × 14,196.60
4. Step 4: Simplify right side
   42,275.52x = 900,109,017.32
5. Step 5: Solve for x
   x = 900,109,017.32/42,275.52
6. Step 6: Final answer
   x = 21,291.49