Finding the Fourth Proportional to 6,308.07, 8,705.43 and 3,656.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.07 : 8,705.43 = 3,656.31 : x
2. Step 2: Convert to fraction form
   6,308.07/8,705.43 = 3,656.31/x
3. Step 3: Cross multiply
   6,308.07x = 8,705.43 × 3,656.31
4. Step 4: Simplify right side
   6,308.07x = 31,829,750.76
5. Step 5: Solve for x
   x = 31,829,750.76/6,308.07
6. Step 6: Final answer
   x = 5,045.88