Finding the Fourth Proportional to 12,039,083.88, 18,061,302.06 and 5,645,928.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039,083.88 : 18,061,302.06 = 5,645,928.84 : x
2. Step 2: Convert to fraction form
   12,039,083.88/18,061,302.06 = 5,645,928.84/x
3. Step 3: Cross multiply
   12,039,083.88x = 18,061,302.06 × 5,645,928.84
4. Step 4: Simplify right side
   12,039,083.88x = 101,972,826,188,505.41
5. Step 5: Solve for x
   x = 101,972,826,188,505.41/12,039,083.88
6. Step 6: Final answer
   x = 8,470,148.33