Finding the Fourth Proportional to 2,162,943.88, 2,984,881.98 and 1,196,139.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162,943.88 : 2,984,881.98 = 1,196,139.64 : x
2. Step 2: Convert to fraction form
   2,162,943.88/2,984,881.98 = 1,196,139.64/x
3. Step 3: Cross multiply
   2,162,943.88x = 2,984,881.98 × 1,196,139.64
4. Step 4: Simplify right side
   2,162,943.88x = 3,570,335,656,999.69
5. Step 5: Solve for x
   x = 3,570,335,656,999.69/2,162,943.88
6. Step 6: Final answer
   x = 1,650,683.45