Finding the Fourth Proportional to 4,747,086.72, 7,120,552.32 and 1,152,883.20

Step by Step Solution

1. Step 1: Write the proportion equation
   4,747,086.72 : 7,120,552.32 = 1,152,883.20 : x
2. Step 2: Convert to fraction form
   4,747,086.72/7,120,552.32 = 1,152,883.20/x
3. Step 3: Cross multiply
   4,747,086.72x = 7,120,552.32 × 1,152,883.20
4. Step 4: Simplify right side
   4,747,086.72x = 8,209,165,144,449.03
5. Step 5: Solve for x
   x = 8,209,165,144,449.03/4,747,086.72
6. Step 6: Final answer
   x = 1,729,305.92