Finding the Fourth Proportional to 42,340.21, 63,487.60 and 14,250.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,340.21 : 63,487.60 = 14,250.94 : x
2. Step 2: Convert to fraction form
   42,340.21/63,487.60 = 14,250.94/x
3. Step 3: Cross multiply
   42,340.21x = 63,487.60 × 14,250.94
4. Step 4: Simplify right side
   42,340.21x = 904,757,978.34
5. Step 5: Solve for x
   x = 904,757,978.34/42,340.21
6. Step 6: Final answer
   x = 21,368.76