Finding the Fourth Proportional to 2,140,398.18, 3,210,616.71 and 925,748.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,398.18 : 3,210,616.71 = 925,748.10 : x
2. Step 2: Convert to fraction form
   2,140,398.18/3,210,616.71 = 925,748.10/x
3. Step 3: Cross multiply
   2,140,398.18x = 3,210,616.71 × 925,748.10
4. Step 4: Simplify right side
   2,140,398.18x = 2,972,222,319,110.75
5. Step 5: Solve for x
   x = 2,972,222,319,110.75/2,140,398.18
6. Step 6: Final answer
   x = 1,388,630.56