Finding the Fourth Proportional to 55,587.72, 76,718.72 and 34,090.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,587.72 : 76,718.72 = 34,090.32 : x
2. Step 2: Convert to fraction form
   55,587.72/76,718.72 = 34,090.32/x
3. Step 3: Cross multiply
   55,587.72x = 76,718.72 × 34,090.32
4. Step 4: Simplify right side
   55,587.72x = 2,615,365,714.79
5. Step 5: Solve for x
   x = 2,615,365,714.79/55,587.72
6. Step 6: Final answer
   x = 47,049.34