Finding the Fourth Proportional to 2,108,261.50, 3,162,479.76 and 612,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,261.50 : 3,162,479.76 = 612,353.50 : x
2. Step 2: Convert to fraction form
   2,108,261.50/3,162,479.76 = 612,353.50/x
3. Step 3: Cross multiply
   2,108,261.50x = 3,162,479.76 × 612,353.50
4. Step 4: Simplify right side
   2,108,261.50x = 1,936,555,549,715.16
5. Step 5: Solve for x
   x = 1,936,555,549,715.16/2,108,261.50
6. Step 6: Final answer
   x = 918,555.67