Finding the Fourth Proportional to 56,667.16, 78,200.72 and 31,175.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,667.16 : 78,200.72 = 31,175.48 : x
2. Step 2: Convert to fraction form
   56,667.16/78,200.72 = 31,175.48/x
3. Step 3: Cross multiply
   56,667.16x = 78,200.72 × 31,175.48
4. Step 4: Simplify right side
   56,667.16x = 2,437,945,314.24
5. Step 5: Solve for x
   x = 2,437,945,314.24/56,667.16
6. Step 6: Final answer
   x = 43,022.19