Finding the Fourth Proportional to 2,166,603.02, 2,989,910.34 and 1,199,733.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,603.02 : 2,989,910.34 = 1,199,733.30 : x
2. Step 2: Convert to fraction form
   2,166,603.02/2,989,910.34 = 1,199,733.30/x
3. Step 3: Cross multiply
   2,166,603.02x = 2,989,910.34 × 1,199,733.30
4. Step 4: Simplify right side
   2,166,603.02x = 3,587,094,998,912.32
5. Step 5: Solve for x
   x = 3,587,094,998,912.32/2,166,603.02
6. Step 6: Final answer
   x = 1,655,630.94