Finding the Fourth Proportional to 1,269,056.16, 1,899,844.42 and 1,111,592.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,056.16 : 1,899,844.42 = 1,111,592.16 : x
2. Step 2: Convert to fraction form
   1,269,056.16/1,899,844.42 = 1,111,592.16/x
3. Step 3: Cross multiply
   1,269,056.16x = 1,899,844.42 × 1,111,592.16
4. Step 4: Simplify right side
   1,269,056.16x = 2,111,852,162,491.75
5. Step 5: Solve for x
   x = 2,111,852,162,491.75/1,269,056.16
6. Step 6: Final answer
   x = 1,664,112.46