Finding the Fourth Proportional to 42,108.19, 63,148.59 and 14,020.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.19 : 63,148.59 = 14,020.69 : x
2. Step 2: Convert to fraction form
   42,108.19/63,148.59 = 14,020.69/x
3. Step 3: Cross multiply
   42,108.19x = 63,148.59 × 14,020.69
4. Step 4: Simplify right side
   42,108.19x = 885,386,804.33
5. Step 5: Solve for x
   x = 885,386,804.33/42,108.19
6. Step 6: Final answer
   x = 21,026.47