Finding the Fourth Proportional to 42,380.76, 63,571.18 and 14,678.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380.76 : 63,571.18 = 14,678.76 : x
2. Step 2: Convert to fraction form
   42,380.76/63,571.18 = 14,678.76/x
3. Step 3: Cross multiply
   42,380.76x = 63,571.18 × 14,678.76
4. Step 4: Simplify right side
   42,380.76x = 933,146,094.14
5. Step 5: Solve for x
   x = 933,146,094.14/42,380.76
6. Step 6: Final answer
   x = 22,018.15