Finding the Fourth Proportional to 34,498.16, 47,608.80 and 19,391.12

Step by Step Solution

1. Step 1: Write the proportion equation
   34,498.16 : 47,608.80 = 19,391.12 : x
2. Step 2: Convert to fraction form
   34,498.16/47,608.80 = 19,391.12/x
3. Step 3: Cross multiply
   34,498.16x = 47,608.80 × 19,391.12
4. Step 4: Simplify right side
   34,498.16x = 923,187,953.86
5. Step 5: Solve for x
   x = 923,187,953.86/34,498.16
6. Step 6: Final answer
   x = 26,760.50