Finding the Fourth Proportional to 9,131.51, 12,599.88 and 5,595.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.51 : 12,599.88 = 5,595.86 : x
2. Step 2: Convert to fraction form
   9,131.51/12,599.88 = 5,595.86/x
3. Step 3: Cross multiply
   9,131.51x = 12,599.88 × 5,595.86
4. Step 4: Simplify right side
   9,131.51x = 70,507,164.50
5. Step 5: Solve for x
   x = 70,507,164.50/9,131.51
6. Step 6: Final answer
   x = 7,721.30