Finding the Fourth Proportional to 49,501.31, 74,234.69 and 19,911.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,501.31 : 74,234.69 = 19,911.47 : x
2. Step 2: Convert to fraction form
   49,501.31/74,234.69 = 19,911.47/x
3. Step 3: Cross multiply
   49,501.31x = 74,234.69 × 19,911.47
4. Step 4: Simplify right side
   49,501.31x = 1,478,121,703.34
5. Step 5: Solve for x
   x = 1,478,121,703.34/49,501.31
6. Step 6: Final answer
   x = 29,860.25