Finding the Fourth Proportional to 42,211.83, 63,272.64 and 14,106.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,211.83 : 63,272.64 = 14,106.15 : x
2. Step 2: Convert to fraction form
   42,211.83/63,272.64 = 14,106.15/x
3. Step 3: Cross multiply
   42,211.83x = 63,272.64 × 14,106.15
4. Step 4: Simplify right side
   42,211.83x = 892,533,403.63
5. Step 5: Solve for x
   x = 892,533,403.63/42,211.83
6. Step 6: Final answer
   x = 21,144.15