Finding the Fourth Proportional to 56,748.82, 85,175.07 and 43,558.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,748.82 : 85,175.07 = 43,558.42 : x
2. Step 2: Convert to fraction form
   56,748.82/85,175.07 = 43,558.42/x
3. Step 3: Cross multiply
   56,748.82x = 85,175.07 × 43,558.42
4. Step 4: Simplify right side
   56,748.82x = 3,710,091,472.59
5. Step 5: Solve for x
   x = 3,710,091,472.59/56,748.82
6. Step 6: Final answer
   x = 65,377.42