Finding the Fourth Proportional to 1,812,896.64, 2,499,485.76 and 1,133,585.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,896.64 : 2,499,485.76 = 1,133,585.28 : x
2. Step 2: Convert to fraction form
   1,812,896.64/2,499,485.76 = 1,133,585.28/x
3. Step 3: Cross multiply
   1,812,896.64x = 2,499,485.76 × 1,133,585.28
4. Step 4: Simplify right side
   1,812,896.64x = 2,833,380,265,105.61
5. Step 5: Solve for x
   x = 2,833,380,265,105.61/1,812,896.64
6. Step 6: Final answer
   x = 1,562,902.27