Finding the Fourth Proportional to 42,106.94, 63,146.72 and 14,019.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,106.94 : 63,146.72 = 14,019.44 : x
2. Step 2: Convert to fraction form
   42,106.94/63,146.72 = 14,019.44/x
3. Step 3: Cross multiply
   42,106.94x = 63,146.72 × 14,019.44
4. Step 4: Simplify right side
   42,106.94x = 885,281,582.14
5. Step 5: Solve for x
   x = 885,281,582.14/42,106.94
6. Step 6: Final answer
   x = 21,024.60