Finding the Fourth Proportional to 2,190,071.10, 3,022,101.42 and 1,223,067.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,071.10 : 3,022,101.42 = 1,223,067.18 : x
2. Step 2: Convert to fraction form
   2,190,071.10/3,022,101.42 = 1,223,067.18/x
3. Step 3: Cross multiply
   2,190,071.10x = 3,022,101.42 × 1,223,067.18
4. Step 4: Simplify right side
   2,190,071.10x = 3,696,233,061,433.40
5. Step 5: Solve for x
   x = 3,696,233,061,433.40/2,190,071.10
6. Step 6: Final answer
   x = 1,687,722.86