Finding the Fourth Proportional to 6,307.30, 8,705.57 and 3,656.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,307.30 : 8,705.57 = 3,656.16 : x
2. Step 2: Convert to fraction form
   6,307.30/8,705.57 = 3,656.16/x
3. Step 3: Cross multiply
   6,307.30x = 8,705.57 × 3,656.16
4. Step 4: Simplify right side
   6,307.30x = 31,828,956.81
5. Step 5: Solve for x
   x = 31,828,956.81/6,307.30
6. Step 6: Final answer
   x = 5,046.37