Finding the Fourth Proportional to 11,888.79, 16,403.76 and 7,110.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,888.79 : 16,403.76 = 7,110.30 : x
2. Step 2: Convert to fraction form
   11,888.79/16,403.76 = 7,110.30/x
3. Step 3: Cross multiply
   11,888.79x = 16,403.76 × 7,110.30
4. Step 4: Simplify right side
   11,888.79x = 116,635,654.73
5. Step 5: Solve for x
   x = 116,635,654.73/11,888.79
6. Step 6: Final answer
   x = 9,810.56