Finding the Fourth Proportional to 7,851.59, 10,835.88 and 4,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,851.59 : 10,835.88 = 4,665.86 : x
2. Step 2: Convert to fraction form
   7,851.59/10,835.88 = 4,665.86/x
3. Step 3: Cross multiply
   7,851.59x = 10,835.88 × 4,665.86
4. Step 4: Simplify right side
   7,851.59x = 50,558,699.06
5. Step 5: Solve for x
   x = 50,558,699.06/7,851.59
6. Step 6: Final answer
   x = 6,439.29