Finding the Fourth Proportional to 1,155,038.53, 1,724,097.85 and 1,018,686.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,038.53 : 1,724,097.85 = 1,018,686.37 : x
2. Step 2: Convert to fraction form
   1,155,038.53/1,724,097.85 = 1,018,686.37/x
3. Step 3: Cross multiply
   1,155,038.53x = 1,724,097.85 × 1,018,686.37
4. Step 4: Simplify right side
   1,155,038.53x = 1,756,314,980,341.30
5. Step 5: Solve for x
   x = 1,756,314,980,341.30/1,155,038.53
6. Step 6: Final answer
   x = 1,520,568.31