Finding the Fourth Proportional to 34,404.78, 47,479.14 and 19,300.80

Step by Step Solution

1. Step 1: Write the proportion equation
   34,404.78 : 47,479.14 = 19,300.80 : x
2. Step 2: Convert to fraction form
   34,404.78/47,479.14 = 19,300.80/x
3. Step 3: Cross multiply
   34,404.78x = 47,479.14 × 19,300.80
4. Step 4: Simplify right side
   34,404.78x = 916,385,385.31
5. Step 5: Solve for x
   x = 916,385,385.31/34,404.78
6. Step 6: Final answer
   x = 26,635.41