Finding the Fourth Proportional to 12,901.74, 17,803.38 and 7,235.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.74 : 17,803.38 = 7,235.73 : x
2. Step 2: Convert to fraction form
   12,901.74/17,803.38 = 7,235.73/x
3. Step 3: Cross multiply
   12,901.74x = 17,803.38 × 7,235.73
4. Step 4: Simplify right side
   12,901.74x = 128,820,450.77
5. Step 5: Solve for x
   x = 128,820,450.77/12,901.74
6. Step 6: Final answer
   x = 9,984.73