Finding the Fourth Proportional to 42,050.93, 63,088.57 and 12,469.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050.93 : 63,088.57 = 12,469.48 : x
2. Step 2: Convert to fraction form
   42,050.93/63,088.57 = 12,469.48/x
3. Step 3: Cross multiply
   42,050.93x = 63,088.57 × 12,469.48
4. Step 4: Simplify right side
   42,050.93x = 786,681,519.71
5. Step 5: Solve for x
   x = 786,681,519.71/42,050.93
6. Step 6: Final answer
   x = 18,707.83