Finding the Fourth Proportional to 2,163,158.16, 2,985,103.44 and 1,196,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,158.16 : 2,985,103.44 = 1,196,262.72 : x
2. Step 2: Convert to fraction form
   2,163,158.16/2,985,103.44 = 1,196,262.72/x
3. Step 3: Cross multiply
   2,163,158.16x = 2,985,103.44 × 1,196,262.72
4. Step 4: Simplify right side
   2,163,158.16x = 3,570,967,960,615.76
5. Step 5: Solve for x
   x = 3,570,967,960,615.76/2,163,158.16
6. Step 6: Final answer
   x = 1,650,812.24