Finding the Fourth Proportional to 49,790.52, 68,714.31 and 30,417.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,790.52 : 68,714.31 = 30,417.72 : x
2. Step 2: Convert to fraction form
   49,790.52/68,714.31 = 30,417.72/x
3. Step 3: Cross multiply
   49,790.52x = 68,714.31 × 30,417.72
4. Step 4: Simplify right side
   49,790.52x = 2,090,132,641.57
5. Step 5: Solve for x
   x = 2,090,132,641.57/49,790.52
6. Step 6: Final answer
   x = 41,978.53