Finding the Fourth Proportional to 42,055.05, 63,091.62 and 12,474.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,055.05 : 63,091.62 = 12,474.93 : x
2. Step 2: Convert to fraction form
   42,055.05/63,091.62 = 12,474.93/x
3. Step 3: Cross multiply
   42,055.05x = 63,091.62 × 12,474.93
4. Step 4: Simplify right side
   42,055.05x = 787,063,543.09
5. Step 5: Solve for x
   x = 787,063,543.09/42,055.05
6. Step 6: Final answer
   x = 18,715.08