Finding the Fourth Proportional to 9,374.51, 12,934.69 and 5,598.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.51 : 12,934.69 = 5,598.90 : x
2. Step 2: Convert to fraction form
   9,374.51/12,934.69 = 5,598.90/x
3. Step 3: Cross multiply
   9,374.51x = 12,934.69 × 5,598.90
4. Step 4: Simplify right side
   9,374.51x = 72,420,021.84
5. Step 5: Solve for x
   x = 72,420,021.84/9,374.51
6. Step 6: Final answer
   x = 7,725.20