Finding the Fourth Proportional to 5,428,339.94, 8,144,085.83 and 2,188,205.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,428,339.94 : 8,144,085.83 = 2,188,205.46 : x
2. Step 2: Convert to fraction form
   5,428,339.94/8,144,085.83 = 2,188,205.46/x
3. Step 3: Cross multiply
   5,428,339.94x = 8,144,085.83 × 2,188,205.46
4. Step 4: Simplify right side
   5,428,339.94x = 17,820,933,068,973.61
5. Step 5: Solve for x
   x = 17,820,933,068,973.61/5,428,339.94
6. Step 6: Final answer
   x = 3,282,943.46