Finding the Fourth Proportional to 2,803,667.34, 4,205,440.26 and 781,857.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803,667.34 : 4,205,440.26 = 781,857.30 : x
2. Step 2: Convert to fraction form
   2,803,667.34/4,205,440.26 = 781,857.30/x
3. Step 3: Cross multiply
   2,803,667.34x = 4,205,440.26 × 781,857.30
4. Step 4: Simplify right side
   2,803,667.34x = 3,288,054,166,994.90
5. Step 5: Solve for x
   x = 3,288,054,166,994.90/2,803,667.34
6. Step 6: Final answer
   x = 1,172,769.01