Finding the Fourth Proportional to 42,493.96, 63,748.23 and 12,914.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,493.96 : 63,748.23 = 12,914.79 : x
2. Step 2: Convert to fraction form
   42,493.96/63,748.23 = 12,914.79/x
3. Step 3: Cross multiply
   42,493.96x = 63,748.23 × 12,914.79
4. Step 4: Simplify right side
   42,493.96x = 823,295,003.32
5. Step 5: Solve for x
   x = 823,295,003.32/42,493.96
6. Step 6: Final answer
   x = 19,374.40