Finding the Fourth Proportional to 10,091.19, 15,150.83 and 5,164.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.19 : 15,150.83 = 5,164.23 : x
2. Step 2: Convert to fraction form
   10,091.19/15,150.83 = 5,164.23/x
3. Step 3: Cross multiply
   10,091.19x = 15,150.83 × 5,164.23
4. Step 4: Simplify right side
   10,091.19x = 78,242,370.81
5. Step 5: Solve for x
   x = 78,242,370.81/10,091.19
6. Step 6: Final answer
   x = 7,753.53