Finding the Fourth Proportional to 6,656.58, 9,970.54 and 3,141.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,656.58 : 9,970.54 = 3,141.30 : x
2. Step 2: Convert to fraction form
   6,656.58/9,970.54 = 3,141.30/x
3. Step 3: Cross multiply
   6,656.58x = 9,970.54 × 3,141.30
4. Step 4: Simplify right side
   6,656.58x = 31,320,457.30
5. Step 5: Solve for x
   x = 31,320,457.30/6,656.58
6. Step 6: Final answer
   x = 4,705.19