Finding the Fourth Proportional to 55,590.53, 76,714.17 and 30,440.03

Step by Step Solution

1. Step 1: Write the proportion equation
   55,590.53 : 76,714.17 = 30,440.03 : x
2. Step 2: Convert to fraction form
   55,590.53/76,714.17 = 30,440.03/x
3. Step 3: Cross multiply
   55,590.53x = 76,714.17 × 30,440.03
4. Step 4: Simplify right side
   55,590.53x = 2,335,181,636.23
5. Step 5: Solve for x
   x = 2,335,181,636.23/55,590.53
6. Step 6: Final answer
   x = 42,006.82