Finding the Fourth Proportional to 788,540.67, 1,182,128.72 and 669,376.17

Step by Step Solution

1. Step 1: Write the proportion equation
   788,540.67 : 1,182,128.72 = 669,376.17 : x
2. Step 2: Convert to fraction form
   788,540.67/1,182,128.72 = 669,376.17/x
3. Step 3: Cross multiply
   788,540.67x = 1,182,128.72 × 669,376.17
4. Step 4: Simplify right side
   788,540.67x = 791,288,791,693.72
5. Step 5: Solve for x
   x = 791,288,791,693.72/788,540.67
6. Step 6: Final answer
   x = 1,003,485.07