Finding the Fourth Proportional to 6,139,979.89, 8,473,023.76 and 3,386,608.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139,979.89 : 8,473,023.76 = 3,386,608.17 : x
2. Step 2: Convert to fraction form
   6,139,979.89/8,473,023.76 = 3,386,608.17/x
3. Step 3: Cross multiply
   6,139,979.89x = 8,473,023.76 × 3,386,608.17
4. Step 4: Simplify right side
   6,139,979.89x = 28,694,811,509,940.34
5. Step 5: Solve for x
   x = 28,694,811,509,940.34/6,139,979.89
6. Step 6: Final answer
   x = 4,673,437.38