Finding the Fourth Proportional to 11,703.89, 17,558.27 and 3,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,703.89 : 17,558.27 = 3,912.50 : x
2. Step 2: Convert to fraction form
   11,703.89/17,558.27 = 3,912.50/x
3. Step 3: Cross multiply
   11,703.89x = 17,558.27 × 3,912.50
4. Step 4: Simplify right side
   11,703.89x = 68,696,731.38
5. Step 5: Solve for x
   x = 68,696,731.38/11,703.89
6. Step 6: Final answer
   x = 5,869.56