Finding the Fourth Proportional to 3,064,641.89, 4,229,234.42 and 1,687,990.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,064,641.89 : 4,229,234.42 = 1,687,990.69 : x
2. Step 2: Convert to fraction form
   3,064,641.89/4,229,234.42 = 1,687,990.69/x
3. Step 3: Cross multiply
   3,064,641.89x = 4,229,234.42 × 1,687,990.69
4. Step 4: Simplify right side
   3,064,641.89x = 7,138,908,333,129.09
5. Step 5: Solve for x
   x = 7,138,908,333,129.09/3,064,641.89
6. Step 6: Final answer
   x = 2,329,442.92