Finding the Fourth Proportional to 42,287.82, 63,432.80 and 14,208.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,287.82 : 63,432.80 = 14,208.87 : x
2. Step 2: Convert to fraction form
   42,287.82/63,432.80 = 14,208.87/x
3. Step 3: Cross multiply
   42,287.82x = 63,432.80 × 14,208.87
4. Step 4: Simplify right side
   42,287.82x = 901,308,337.89
5. Step 5: Solve for x
   x = 901,308,337.89/42,287.82
6. Step 6: Final answer
   x = 21,313.66