Finding the Fourth Proportional to 1,155,040.53, 1,724,100.83 and 1,018,688.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,040.53 : 1,724,100.83 = 1,018,688.37 : x
2. Step 2: Convert to fraction form
   1,155,040.53/1,724,100.83 = 1,018,688.37/x
3. Step 3: Cross multiply
   1,155,040.53x = 1,724,100.83 × 1,018,688.37
4. Step 4: Simplify right side
   1,155,040.53x = 1,756,321,459,134.91
5. Step 5: Solve for x
   x = 1,756,321,459,134.91/1,155,040.53
6. Step 6: Final answer
   x = 1,520,571.28