Finding the Fourth Proportional to 7,664.74, 10,577.34 and 4,307.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664.74 : 10,577.34 = 4,307.86 : x
2. Step 2: Convert to fraction form
   7,664.74/10,577.34 = 4,307.86/x
3. Step 3: Cross multiply
   7,664.74x = 10,577.34 × 4,307.86
4. Step 4: Simplify right side
   7,664.74x = 45,565,699.89
5. Step 5: Solve for x
   x = 45,565,699.89/7,664.74
6. Step 6: Final answer
   x = 5,944.85