Finding the Fourth Proportional to 5,555,643.45, 7,667,085.71 and 3,108,108.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,555,643.45 : 7,667,085.71 = 3,108,108.48 : x
2. Step 2: Convert to fraction form
   5,555,643.45/7,667,085.71 = 3,108,108.48/x
3. Step 3: Cross multiply
   5,555,643.45x = 7,667,085.71 × 3,108,108.48
4. Step 4: Simplify right side
   5,555,643.45x = 23,830,134,112,137.82
5. Step 5: Solve for x
   x = 23,830,134,112,137.82/5,555,643.45
6. Step 6: Final answer
   x = 4,289,356.28