Finding the Fourth Proportional to 2,213,969.71, 3,321,042.06 and 616,672.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,969.71 : 3,321,042.06 = 616,672.39 : x
2. Step 2: Convert to fraction form
   2,213,969.71/3,321,042.06 = 616,672.39/x
3. Step 3: Cross multiply
   2,213,969.71x = 3,321,042.06 × 616,672.39
4. Step 4: Simplify right side
   2,213,969.71x = 2,047,994,944,430.72
5. Step 5: Solve for x
   x = 2,047,994,944,430.72/2,213,969.71
6. Step 6: Final answer
   x = 925,032.96