Finding the Fourth Proportional to 2,817,938.16, 3,888,756.03 and 1,528,778.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,938.16 : 3,888,756.03 = 1,528,778.21 : x
2. Step 2: Convert to fraction form
   2,817,938.16/3,888,756.03 = 1,528,778.21/x
3. Step 3: Cross multiply
   2,817,938.16x = 3,888,756.03 × 1,528,778.21
4. Step 4: Simplify right side
   2,817,938.16x = 5,945,045,468,959.24
5. Step 5: Solve for x
   x = 5,945,045,468,959.24/2,817,938.16
6. Step 6: Final answer
   x = 2,109,714.67