Finding the Fourth Proportional to 9,131.84, 12,600.86 and 5,152.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.84 : 12,600.86 = 5,152.74 : x
2. Step 2: Convert to fraction form
   9,131.84/12,600.86 = 5,152.74/x
3. Step 3: Cross multiply
   9,131.84x = 12,600.86 × 5,152.74
4. Step 4: Simplify right side
   9,131.84x = 64,928,955.36
5. Step 5: Solve for x
   x = 64,928,955.36/9,131.84
6. Step 6: Final answer
   x = 7,110.17