Finding the Fourth Proportional to 11,091.89, 15,303.12 and 7,316.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.89 : 15,303.12 = 7,316.93 : x
2. Step 2: Convert to fraction form
   11,091.89/15,303.12 = 7,316.93/x
3. Step 3: Cross multiply
   11,091.89x = 15,303.12 × 7,316.93
4. Step 4: Simplify right side
   11,091.89x = 111,971,781.31
5. Step 5: Solve for x
   x = 111,971,781.31/11,091.89
6. Step 6: Final answer
   x = 10,094.93