Finding the Fourth Proportional to 8,173,978.04, 12,260,959.63 and 3,855,020.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,173,978.04 : 12,260,959.63 = 3,855,020.78 : x
2. Step 2: Convert to fraction form
   8,173,978.04/12,260,959.63 = 3,855,020.78/x
3. Step 3: Cross multiply
   8,173,978.04x = 12,260,959.63 × 3,855,020.78
4. Step 4: Simplify right side
   8,173,978.04x = 47,266,254,156,391.11
5. Step 5: Solve for x
   x = 47,266,254,156,391.11/8,173,978.04
6. Step 6: Final answer
   x = 5,782,527.67