Finding the Fourth Proportional to 42,168.02, 63,230.53 and 14,077.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168.02 : 63,230.53 = 14,077.98 : x
2. Step 2: Convert to fraction form
   42,168.02/63,230.53 = 14,077.98/x
3. Step 3: Cross multiply
   42,168.02x = 63,230.53 × 14,077.98
4. Step 4: Simplify right side
   42,168.02x = 890,158,066.34
5. Step 5: Solve for x
   x = 890,158,066.34/42,168.02
6. Step 6: Final answer
   x = 21,109.79