Finding the Fourth Proportional to 34,579.31, 47,718.98 and 19,472.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,579.31 : 47,718.98 = 19,472.15 : x
2. Step 2: Convert to fraction form
   34,579.31/47,718.98 = 19,472.15/x
3. Step 3: Cross multiply
   34,579.31x = 47,718.98 × 19,472.15
4. Step 4: Simplify right side
   34,579.31x = 929,191,339.69
5. Step 5: Solve for x
   x = 929,191,339.69/34,579.31
6. Step 6: Final answer
   x = 26,871.31