Finding the Fourth Proportional to 8,728,618.32, 12,045,488.94 and 5,059,660.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,728,618.32 : 12,045,488.94 = 5,059,660.95 : x
2. Step 2: Convert to fraction form
   8,728,618.32/12,045,488.94 = 5,059,660.95/x
3. Step 3: Cross multiply
   8,728,618.32x = 12,045,488.94 × 5,059,660.95
4. Step 4: Simplify right side
   8,728,618.32x = 60,946,090,013,374.89
5. Step 5: Solve for x
   x = 60,946,090,013,374.89/8,728,618.32
6. Step 6: Final answer
   x = 6,982,329.59