Finding the Fourth Proportional to 2,167,643.34, 2,991,307.68 and 1,200,752.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,643.34 : 2,991,307.68 = 1,200,752.46 : x
2. Step 2: Convert to fraction form
   2,167,643.34/2,991,307.68 = 1,200,752.46/x
3. Step 3: Cross multiply
   2,167,643.34x = 2,991,307.68 × 1,200,752.46
4. Step 4: Simplify right side
   2,167,643.34x = 3,591,820,055,376.89
5. Step 5: Solve for x
   x = 3,591,820,055,376.89/2,167,643.34
6. Step 6: Final answer
   x = 1,657,016.17