Finding the Fourth Proportional to 2,166,565.02, 2,989,823.16 and 1,199,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,565.02 : 2,989,823.16 = 1,199,674.50 : x
2. Step 2: Convert to fraction form
   2,166,565.02/2,989,823.16 = 1,199,674.50/x
3. Step 3: Cross multiply
   2,166,565.02x = 2,989,823.16 × 1,199,674.50
4. Step 4: Simplify right side
   2,166,565.02x = 3,586,814,604,561.42
5. Step 5: Solve for x
   x = 3,586,814,604,561.42/2,166,565.02
6. Step 6: Final answer
   x = 1,655,530.56