Finding the Fourth Proportional to 2,077,274.06, 2,867,116.51 and 1,218,111.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,274.06 : 2,867,116.51 = 1,218,111.11 : x
2. Step 2: Convert to fraction form
   2,077,274.06/2,867,116.51 = 1,218,111.11/x
3. Step 3: Cross multiply
   2,077,274.06x = 2,867,116.51 × 1,218,111.11
4. Step 4: Simplify right side
   2,077,274.06x = 3,492,466,474,495.43
5. Step 5: Solve for x
   x = 3,492,466,474,495.43/2,077,274.06
6. Step 6: Final answer
   x = 1,681,273.81