Finding the Fourth Proportional to 1,155,007.90, 1,729,231.35 and 1,092,168.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,007.90 : 1,729,231.35 = 1,092,168.10 : x
2. Step 2: Convert to fraction form
   1,155,007.90/1,729,231.35 = 1,092,168.10/x
3. Step 3: Cross multiply
   1,155,007.90x = 1,729,231.35 × 1,092,168.10
4. Step 4: Simplify right side
   1,155,007.90x = 1,888,611,317,989.94
5. Step 5: Solve for x
   x = 1,888,611,317,989.94/1,155,007.90
6. Step 6: Final answer
   x = 1,635,150.13