Finding the Fourth Proportional to 3,620,003.20, 5,431,185.76 and 1,726,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620,003.20 : 5,431,185.76 = 1,726,498.56 : x
2. Step 2: Convert to fraction form
   3,620,003.20/5,431,185.76 = 1,726,498.56/x
3. Step 3: Cross multiply
   3,620,003.20x = 5,431,185.76 × 1,726,498.56
4. Step 4: Simplify right side
   3,620,003.20x = 9,376,934,393,732.51
5. Step 5: Solve for x
   x = 9,376,934,393,732.51/3,620,003.20
6. Step 6: Final answer
   x = 2,590,311.08