Finding the Fourth Proportional to 11,810.29, 17,710.42 and 4,409.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,810.29 : 17,710.42 = 4,409.58 : x
2. Step 2: Convert to fraction form
   11,810.29/17,710.42 = 4,409.58/x
3. Step 3: Cross multiply
   11,810.29x = 17,710.42 × 4,409.58
4. Step 4: Simplify right side
   11,810.29x = 78,095,513.82
5. Step 5: Solve for x
   x = 78,095,513.82/11,810.29
6. Step 6: Final answer
   x = 6,612.50