Finding the Fourth Proportional to 42,055.18, 63,064.44 and 12,062.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,055.18 : 63,064.44 = 12,062.78 : x
2. Step 2: Convert to fraction form
   42,055.18/63,064.44 = 12,062.78/x
3. Step 3: Cross multiply
   42,055.18x = 63,064.44 × 12,062.78
4. Step 4: Simplify right side
   42,055.18x = 760,732,465.54
5. Step 5: Solve for x
   x = 760,732,465.54/42,055.18
6. Step 6: Final answer
   x = 18,088.91