Finding the Fourth Proportional to 2,157,920.50, 2,977,930.29 and 1,204,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,920.50 : 2,977,930.29 = 1,204,064.50 : x
2. Step 2: Convert to fraction form
   2,157,920.50/2,977,930.29 = 1,204,064.50/x
3. Step 3: Cross multiply
   2,157,920.50x = 2,977,930.29 × 1,204,064.50
4. Step 4: Simplify right side
   2,157,920.50x = 3,585,620,145,663.71
5. Step 5: Solve for x
   x = 3,585,620,145,663.71/2,157,920.50
6. Step 6: Final answer
   x = 1,661,609.01