Finding the Fourth Proportional to 2,817,189.29, 4,225,856.72 and 767,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817,189.29 : 4,225,856.72 = 767,866.72 : x
2. Step 2: Convert to fraction form
   2,817,189.29/4,225,856.72 = 767,866.72/x
3. Step 3: Cross multiply
   2,817,189.29x = 4,225,856.72 × 767,866.72
4. Step 4: Simplify right side
   2,817,189.29x = 3,244,894,717,647.07
5. Step 5: Solve for x
   x = 3,244,894,717,647.07/2,817,189.29
6. Step 6: Final answer
   x = 1,151,819.91