Finding the Fourth Proportional to 2,051,116.40, 3,079,444.80 and 1,199,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051,116.40 : 3,079,444.80 = 1,199,061.20 : x
2. Step 2: Convert to fraction form
   2,051,116.40/3,079,444.80 = 1,199,061.20/x
3. Step 3: Cross multiply
   2,051,116.40x = 3,079,444.80 × 1,199,061.20
4. Step 4: Simplify right side
   2,051,116.40x = 3,692,442,777,221.76
5. Step 5: Solve for x
   x = 3,692,442,777,221.76/2,051,116.40
6. Step 6: Final answer
   x = 1,800,211.23