Finding the Fourth Proportional to 57,198.42, 78,933.69 and 31,706.10

Step by Step Solution

1. Step 1: Write the proportion equation
   57,198.42 : 78,933.69 = 31,706.10 : x
2. Step 2: Convert to fraction form
   57,198.42/78,933.69 = 31,706.10/x
3. Step 3: Cross multiply
   57,198.42x = 78,933.69 × 31,706.10
4. Step 4: Simplify right side
   57,198.42x = 2,502,679,468.51
5. Step 5: Solve for x
   x = 2,502,679,468.51/57,198.42
6. Step 6: Final answer
   x = 43,754.35