Finding the Fourth Proportional to 1,689,315.42, 2,528,082.54 and 1,382,159.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,315.42 : 2,528,082.54 = 1,382,159.76 : x
2. Step 2: Convert to fraction form
   1,689,315.42/2,528,082.54 = 1,382,159.76/x
3. Step 3: Cross multiply
   1,689,315.42x = 2,528,082.54 × 1,382,159.76
4. Step 4: Simplify right side
   1,689,315.42x = 3,494,213,956,746.59
5. Step 5: Solve for x
   x = 3,494,213,956,746.59/1,689,315.42
6. Step 6: Final answer
   x = 2,068,420.09