Finding the Fourth Proportional to 1,175,105.87, 1,611,085.17 and 1,153,848.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,105.87 : 1,611,085.17 = 1,153,848.23 : x
2. Step 2: Convert to fraction form
   1,175,105.87/1,611,085.17 = 1,153,848.23/x
3. Step 3: Cross multiply
   1,175,105.87x = 1,611,085.17 × 1,153,848.23
4. Step 4: Simplify right side
   1,175,105.87x = 1,858,947,763,728.32
5. Step 5: Solve for x
   x = 1,858,947,763,728.32/1,175,105.87
6. Step 6: Final answer
   x = 1,581,940.67