Finding the Fourth Proportional to 2,045,200.78, 2,827,478.91 and 1,535,017.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045,200.78 : 2,827,478.91 = 1,535,017.42 : x
2. Step 2: Convert to fraction form
   2,045,200.78/2,827,478.91 = 1,535,017.42/x
3. Step 3: Cross multiply
   2,045,200.78x = 2,827,478.91 × 1,535,017.42
4. Step 4: Simplify right side
   2,045,200.78x = 4,340,229,381,532.61
5. Step 5: Solve for x
   x = 4,340,229,381,532.61/2,045,200.78
6. Step 6: Final answer
   x = 2,122,153.20