Finding the Fourth Proportional to 39,510.99, 54,545.00 and 30,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   39,510.99 : 54,545.00 = 30,538.22 : x
2. Step 2: Convert to fraction form
   39,510.99/54,545.00 = 30,538.22/x
3. Step 3: Cross multiply
   39,510.99x = 54,545.00 × 30,538.22
4. Step 4: Simplify right side
   39,510.99x = 1,665,706,784.48
5. Step 5: Solve for x
   x = 1,665,706,784.48/39,510.99
6. Step 6: Final answer
   x = 42,158.06