Finding the Fourth Proportional to 34,978.32, 48,271.29 and 19,871.61

Step by Step Solution

1. Step 1: Write the proportion equation
   34,978.32 : 48,271.29 = 19,871.61 : x
2. Step 2: Convert to fraction form
   34,978.32/48,271.29 = 19,871.61/x
3. Step 3: Cross multiply
   34,978.32x = 48,271.29 × 19,871.61
4. Step 4: Simplify right side
   34,978.32x = 959,228,249.08
5. Step 5: Solve for x
   x = 959,228,249.08/34,978.32
6. Step 6: Final answer
   x = 27,423.51