Finding the Fourth Proportional to 9,301.51, 12,836.10 and 5,109.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.51 : 12,836.10 = 5,109.76 : x
2. Step 2: Convert to fraction form
   9,301.51/12,836.10 = 5,109.76/x
3. Step 3: Cross multiply
   9,301.51x = 12,836.10 × 5,109.76
4. Step 4: Simplify right side
   9,301.51x = 65,589,390.34
5. Step 5: Solve for x
   x = 65,589,390.34/9,301.51
6. Step 6: Final answer
   x = 7,051.48