Finding the Fourth Proportional to 12,030.47, 17,952.95 and 10,572.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,030.47 : 17,952.95 = 10,572.76 : x
2. Step 2: Convert to fraction form
   12,030.47/17,952.95 = 10,572.76/x
3. Step 3: Cross multiply
   12,030.47x = 17,952.95 × 10,572.76
4. Step 4: Simplify right side
   12,030.47x = 189,812,141.88
5. Step 5: Solve for x
   x = 189,812,141.88/12,030.47
6. Step 6: Final answer
   x = 15,777.62