Finding the Fourth Proportional to 56,667.82, 78,201.60 and 31,174.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,667.82 : 78,201.60 = 31,174.54 : x
2. Step 2: Convert to fraction form
   56,667.82/78,201.60 = 31,174.54/x
3. Step 3: Cross multiply
   56,667.82x = 78,201.60 × 31,174.54
4. Step 4: Simplify right side
   56,667.82x = 2,437,898,907.26
5. Step 5: Solve for x
   x = 2,437,898,907.26/56,667.82
6. Step 6: Final answer
   x = 43,020.87