Finding the Fourth Proportional to 1,179,168.42, 1,627,310.08 and 663,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,168.42 : 1,627,310.08 = 663,084.72 : x
2. Step 2: Convert to fraction form
   1,179,168.42/1,627,310.08 = 663,084.72/x
3. Step 3: Cross multiply
   1,179,168.42x = 1,627,310.08 × 663,084.72
4. Step 4: Simplify right side
   1,179,168.42x = 1,079,044,448,749.98
5. Step 5: Solve for x
   x = 1,079,044,448,749.98/1,179,168.42
6. Step 6: Final answer
   x = 915,089.34