Finding the Fourth Proportional to 55,128.66, 82,627.35 and 31,705.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,128.66 : 82,627.35 = 31,705.89 : x
2. Step 2: Convert to fraction form
   55,128.66/82,627.35 = 31,705.89/x
3. Step 3: Cross multiply
   55,128.66x = 82,627.35 × 31,705.89
4. Step 4: Simplify right side
   55,128.66x = 2,619,773,670.09
5. Step 5: Solve for x
   x = 2,619,773,670.09/55,128.66
6. Step 6: Final answer
   x = 47,521.08