Finding the Fourth Proportional to 30,483.14, 42,070.59 and 18,545.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,483.14 : 42,070.59 = 18,545.76 : x
2. Step 2: Convert to fraction form
   30,483.14/42,070.59 = 18,545.76/x
3. Step 3: Cross multiply
   30,483.14x = 42,070.59 × 18,545.76
4. Step 4: Simplify right side
   30,483.14x = 780,231,065.20
5. Step 5: Solve for x
   x = 780,231,065.20/30,483.14
6. Step 6: Final answer
   x = 25,595.50