Finding the Fourth Proportional to 2,108,041.50, 3,162,149.73 and 612,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,041.50 : 3,162,149.73 = 612,133.50 : x
2. Step 2: Convert to fraction form
   2,108,041.50/3,162,149.73 = 612,133.50/x
3. Step 3: Cross multiply
   2,108,041.50x = 3,162,149.73 × 612,133.50
4. Step 4: Simplify right side
   2,108,041.50x = 1,935,657,781,748.96
5. Step 5: Solve for x
   x = 1,935,657,781,748.96/2,108,041.50
6. Step 6: Final answer
   x = 918,225.65