Finding the Fourth Proportional to 38,747.08, 53,472.72 and 30,349

Step by Step Solution

1. Step 1: Write the proportion equation
   38,747.08 : 53,472.72 = 30,349 : x
2. Step 2: Convert to fraction form
   38,747.08/53,472.72 = 30,349/x
3. Step 3: Cross multiply
   38,747.08x = 53,472.72 × 30,349
4. Step 4: Simplify right side
   38,747.08x = 1,622,843,579.28
5. Step 5: Solve for x
   x = 1,622,843,579.28/38,747.08
6. Step 6: Final answer
   x = 41,882.99