Finding the Fourth Proportional to 10,003.52, 15,005.30 and 2,607.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.52 : 15,005.30 = 2,607.98 : x
2. Step 2: Convert to fraction form
   10,003.52/15,005.30 = 2,607.98/x
3. Step 3: Cross multiply
   10,003.52x = 15,005.30 × 2,607.98
4. Step 4: Simplify right side
   10,003.52x = 39,133,434.23
5. Step 5: Solve for x
   x = 39,133,434.23/10,003.52
6. Step 6: Final answer
   x = 3,911.97