Finding the Fourth Proportional to 1,224,151, 1,689,528.72 and 1,019,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,151 : 1,689,528.72 = 1,019,878 : x
2. Step 2: Convert to fraction form
   1,224,151/1,689,528.72 = 1,019,878/x
3. Step 3: Cross multiply
   1,224,151x = 1,689,528.72 × 1,019,878
4. Step 4: Simplify right side
   1,224,151x = 1,723,113,171,896.16
5. Step 5: Solve for x
   x = 1,723,113,171,896.16/1,224,151
6. Step 6: Final answer
   x = 1,407,598.55