Finding the Fourth Proportional to 2,116,164.94, 2,920,498.04 and 1,198,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,164.94 : 2,920,498.04 = 1,198,617.25 : x
2. Step 2: Convert to fraction form
   2,116,164.94/2,920,498.04 = 1,198,617.25/x
3. Step 3: Cross multiply
   2,116,164.94x = 2,920,498.04 × 1,198,617.25
4. Step 4: Simplify right side
   2,116,164.94x = 3,500,559,308,739.61
5. Step 5: Solve for x
   x = 3,500,559,308,739.61/2,116,164.94
6. Step 6: Final answer
   x = 1,654,199.66