Finding the Fourth Proportional to 2,166,651.35, 2,989,735.67 and 1,199,538.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,651.35 : 2,989,735.67 = 1,199,538.89 : x
2. Step 2: Convert to fraction form
   2,166,651.35/2,989,735.67 = 1,199,538.89/x
3. Step 3: Cross multiply
   2,166,651.35x = 2,989,735.67 × 1,199,538.89
4. Step 4: Simplify right side
   2,166,651.35x = 3,586,304,200,987.51
5. Step 5: Solve for x
   x = 3,586,304,200,987.51/2,166,651.35
6. Step 6: Final answer
   x = 1,655,229.02