Finding the Fourth Proportional to 4,980,726.05, 7,470,345.49 and 1,386,118.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,980,726.05 : 7,470,345.49 = 1,386,118.17 : x
2. Step 2: Convert to fraction form
   4,980,726.05/7,470,345.49 = 1,386,118.17/x
3. Step 3: Cross multiply
   4,980,726.05x = 7,470,345.49 × 1,386,118.17
4. Step 4: Simplify right side
   4,980,726.05x = 10,354,781,616,401.26
5. Step 5: Solve for x
   x = 10,354,781,616,401.26/4,980,726.05
6. Step 6: Final answer
   x = 2,078,970.32