Finding the Fourth Proportional to 2,015,002.62, 2,778,572.52 and 1,556,191.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,002.62 : 2,778,572.52 = 1,556,191.89 : x
2. Step 2: Convert to fraction form
   2,015,002.62/2,778,572.52 = 1,556,191.89/x
3. Step 3: Cross multiply
   2,015,002.62x = 2,778,572.52 × 1,556,191.89
4. Step 4: Simplify right side
   2,015,002.62x = 4,323,992,021,400.86
5. Step 5: Solve for x
   x = 4,323,992,021,400.86/2,015,002.62
6. Step 6: Final answer
   x = 2,145,898.96