Finding the Fourth Proportional to 49,663.52, 68,538.12 and 30,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,663.52 : 68,538.12 = 30,806.72 : x
2. Step 2: Convert to fraction form
   49,663.52/68,538.12 = 30,806.72/x
3. Step 3: Cross multiply
   49,663.52x = 68,538.12 × 30,806.72
4. Step 4: Simplify right side
   49,663.52x = 2,111,434,672.17
5. Step 5: Solve for x
   x = 2,111,434,672.17/49,663.52
6. Step 6: Final answer
   x = 42,514.80