Finding the Fourth Proportional to 1,571,487.36, 2,168,667.72 and 892,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571,487.36 : 2,168,667.72 = 892,428.72 : x
2. Step 2: Convert to fraction form
   1,571,487.36/2,168,667.72 = 892,428.72/x
3. Step 3: Cross multiply
   1,571,487.36x = 2,168,667.72 × 892,428.72
4. Step 4: Simplify right side
   1,571,487.36x = 1,935,381,357,464.92
5. Step 5: Solve for x
   x = 1,935,381,357,464.92/1,571,487.36
6. Step 6: Final answer
   x = 1,231,560.24