Finding the Fourth Proportional to 1,151,515.18, 1,589,168.82 and 668,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,515.18 : 1,589,168.82 = 668,080.54 : x
2. Step 2: Convert to fraction form
   1,151,515.18/1,589,168.82 = 668,080.54/x
3. Step 3: Cross multiply
   1,151,515.18x = 1,589,168.82 × 668,080.54
4. Step 4: Simplify right side
   1,151,515.18x = 1,061,692,763,416.76
5. Step 5: Solve for x
   x = 1,061,692,763,416.76/1,151,515.18
6. Step 6: Final answer
   x = 921,996.32