Finding the Fourth Proportional to 2,218,353.75, 3,061,328.18 and 1,199,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,353.75 : 3,061,328.18 = 1,199,758.50 : x
2. Step 2: Convert to fraction form
   2,218,353.75/3,061,328.18 = 1,199,758.50/x
3. Step 3: Cross multiply
   2,218,353.75x = 3,061,328.18 × 1,199,758.50
4. Step 4: Simplify right side
   2,218,353.75x = 3,672,854,499,245.74
5. Step 5: Solve for x
   x = 3,672,854,499,245.74/2,218,353.75
6. Step 6: Final answer
   x = 1,655,666.73