Finding the Fourth Proportional to 57,010.44, 78,667.59 and 31,513.36

Step by Step Solution

1. Step 1: Write the proportion equation
   57,010.44 : 78,667.59 = 31,513.36 : x
2. Step 2: Convert to fraction form
   57,010.44/78,667.59 = 31,513.36/x
3. Step 3: Cross multiply
   57,010.44x = 78,667.59 × 31,513.36
4. Step 4: Simplify right side
   57,010.44x = 2,479,080,300.51
5. Step 5: Solve for x
   x = 2,479,080,300.51/57,010.44
6. Step 6: Final answer
   x = 43,484.67