Finding the Fourth Proportional to 2,173,087.12, 2,999,049.96 and 1,267,960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,087.12 : 2,999,049.96 = 1,267,960.72 : x
2. Step 2: Convert to fraction form
   2,173,087.12/2,999,049.96 = 1,267,960.72/x
3. Step 3: Cross multiply
   2,173,087.12x = 2,999,049.96 × 1,267,960.72
4. Step 4: Simplify right side
   2,173,087.12x = 3,802,677,546,597.57
5. Step 5: Solve for x
   x = 3,802,677,546,597.57/2,173,087.12
6. Step 6: Final answer
   x = 1,749,896.50