Finding the Fourth Proportional to 1,516,667.42, 2,093,015.36 and 863,261.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,667.42 : 2,093,015.36 = 863,261.54 : x
2. Step 2: Convert to fraction form
   1,516,667.42/2,093,015.36 = 863,261.54/x
3. Step 3: Cross multiply
   1,516,667.42x = 2,093,015.36 × 863,261.54
4. Step 4: Simplify right side
   1,516,667.42x = 1,806,819,662,917.25
5. Step 5: Solve for x
   x = 1,806,819,662,917.25/1,516,667.42
6. Step 6: Final answer
   x = 1,191,309.08