Finding the Fourth Proportional to 2,166,630.96, 2,989,949.04 and 1,199,761.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,630.96 : 2,989,949.04 = 1,199,761.23 : x
2. Step 2: Convert to fraction form
   2,166,630.96/2,989,949.04 = 1,199,761.23/x
3. Step 3: Cross multiply
   2,166,630.96x = 2,989,949.04 × 1,199,761.23
4. Step 4: Simplify right side
   2,166,630.96x = 3,587,224,937,867.72
5. Step 5: Solve for x
   x = 3,587,224,937,867.72/2,166,630.96
6. Step 6: Final answer
   x = 1,655,669.56