Finding the Fourth Proportional to 53,019.46, 79,510.35 and 17,472.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53,019.46 : 79,510.35 = 17,472.20 : x
2. Step 2: Convert to fraction form
   53,019.46/79,510.35 = 17,472.20/x
3. Step 3: Cross multiply
   53,019.46x = 79,510.35 × 17,472.20
4. Step 4: Simplify right side
   53,019.46x = 1,389,220,737.27
5. Step 5: Solve for x
   x = 1,389,220,737.27/53,019.46
6. Step 6: Final answer
   x = 26,202.09