Finding the Fourth Proportional to 55,590.52, 76,714.18 and 30,440.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,590.52 : 76,714.18 = 30,440.04 : x
2. Step 2: Convert to fraction form
   55,590.52/76,714.18 = 30,440.04/x
3. Step 3: Cross multiply
   55,590.52x = 76,714.18 × 30,440.04
4. Step 4: Simplify right side
   55,590.52x = 2,335,182,707.77
5. Step 5: Solve for x
   x = 2,335,182,707.77/55,590.52
6. Step 6: Final answer
   x = 42,006.85