Finding the Fourth Proportional to 30,043.59, 45,066.42 and 10,321.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,043.59 : 45,066.42 = 10,321.98 : x
2. Step 2: Convert to fraction form
   30,043.59/45,066.42 = 10,321.98/x
3. Step 3: Cross multiply
   30,043.59x = 45,066.42 × 10,321.98
4. Step 4: Simplify right side
   30,043.59x = 465,174,685.91
5. Step 5: Solve for x
   x = 465,174,685.91/30,043.59
6. Step 6: Final answer
   x = 15,483.33