Finding the Fourth Proportional to 3,819,061.50, 5,270,144.43 and 2,165,319.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819,061.50 : 5,270,144.43 = 2,165,319.87 : x
2. Step 2: Convert to fraction form
   3,819,061.50/5,270,144.43 = 2,165,319.87/x
3. Step 3: Cross multiply
   3,819,061.50x = 5,270,144.43 × 2,165,319.87
4. Step 4: Simplify right side
   3,819,061.50x = 11,411,548,452,048.82
5. Step 5: Solve for x
   x = 11,411,548,452,048.82/3,819,061.50
6. Step 6: Final answer
   x = 2,988,050.45