Finding the Fourth Proportional to 10,074.80, 13,901.72 and 5,598.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,074.80 : 13,901.72 = 5,598.58 : x
2. Step 2: Convert to fraction form
   10,074.80/13,901.72 = 5,598.58/x
3. Step 3: Cross multiply
   10,074.80x = 13,901.72 × 5,598.58
4. Step 4: Simplify right side
   10,074.80x = 77,829,891.56
5. Step 5: Solve for x
   x = 77,829,891.56/10,074.80
6. Step 6: Final answer
   x = 7,725.20