Finding the Fourth Proportional to 34,978.68, 52,471.71 and 12,794.04

Step by Step Solution

1. Step 1: Write the proportion equation
   34,978.68 : 52,471.71 = 12,794.04 : x
2. Step 2: Convert to fraction form
   34,978.68/52,471.71 = 12,794.04/x
3. Step 3: Cross multiply
   34,978.68x = 52,471.71 × 12,794.04
4. Step 4: Simplify right side
   34,978.68x = 671,325,156.61
5. Step 5: Solve for x
   x = 671,325,156.61/34,978.68
6. Step 6: Final answer
   x = 19,192.41