Finding the Fourth Proportional to 42,303.30, 63,410.29 and 14,196.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,303.30 : 63,410.29 = 14,196.70 : x
2. Step 2: Convert to fraction form
   42,303.30/63,410.29 = 14,196.70/x
3. Step 3: Cross multiply
   42,303.30x = 63,410.29 × 14,196.70
4. Step 4: Simplify right side
   42,303.30x = 900,216,864.04
5. Step 5: Solve for x
   x = 900,216,864.04/42,303.30
6. Step 6: Final answer
   x = 21,280.06