Finding the Fourth Proportional to 42,053.32, 63,069.23 and 12,464.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053.32 : 63,069.23 = 12,464.23 : x
2. Step 2: Convert to fraction form
   42,053.32/63,069.23 = 12,464.23/x
3. Step 3: Cross multiply
   42,053.32x = 63,069.23 × 12,464.23
4. Step 4: Simplify right side
   42,053.32x = 786,109,388.64
5. Step 5: Solve for x
   x = 786,109,388.64/42,053.32
6. Step 6: Final answer
   x = 18,693.16