Finding the Fourth Proportional to 2,689,657.25, 3,711,728.38 and 1,528,105.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,657.25 : 3,711,728.38 = 1,528,105.53 : x
2. Step 2: Convert to fraction form
   2,689,657.25/3,711,728.38 = 1,528,105.53/x
3. Step 3: Cross multiply
   2,689,657.25x = 3,711,728.38 × 1,528,105.53
4. Step 4: Simplify right side
   2,689,657.25x = 5,671,912,649,279.79
5. Step 5: Solve for x
   x = 5,671,912,649,279.79/2,689,657.25
6. Step 6: Final answer
   x = 2,108,786.41