Finding the Fourth Proportional to 2,689,668.72, 3,711,744.24 and 1,528,117.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,668.72 : 3,711,744.24 = 1,528,117.05 : x
2. Step 2: Convert to fraction form
   2,689,668.72/3,711,744.24 = 1,528,117.05/x
3. Step 3: Cross multiply
   2,689,668.72x = 3,711,744.24 × 1,528,117.05
4. Step 4: Simplify right side
   2,689,668.72x = 5,671,979,658,383.29
5. Step 5: Solve for x
   x = 5,671,979,658,383.29/2,689,668.72
6. Step 6: Final answer
   x = 2,108,802.33