Finding the Fourth Proportional to 9,145.58, 13,710.15 and 3,602.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.58 : 13,710.15 = 3,602.70 : x
2. Step 2: Convert to fraction form
   9,145.58/13,710.15 = 3,602.70/x
3. Step 3: Cross multiply
   9,145.58x = 13,710.15 × 3,602.70
4. Step 4: Simplify right side
   9,145.58x = 49,393,557.41
5. Step 5: Solve for x
   x = 49,393,557.41/9,145.58
6. Step 6: Final answer
   x = 5,400.81