Finding the Fourth Proportional to 1,890,491.70, 2,833,145.55 and 1,214,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,491.70 : 2,833,145.55 = 1,214,498.10 : x
2. Step 2: Convert to fraction form
   1,890,491.70/2,833,145.55 = 1,214,498.10/x
3. Step 3: Cross multiply
   1,890,491.70x = 2,833,145.55 × 1,214,498.10
4. Step 4: Simplify right side
   1,890,491.70x = 3,440,849,887,498.46
5. Step 5: Solve for x
   x = 3,440,849,887,498.46/1,890,491.70
6. Step 6: Final answer
   x = 1,820,081.99