Finding the Fourth Proportional to 58,196.40, 87,131.94 and 31,446.60

Step by Step Solution

1. Step 1: Write the proportion equation
   58,196.40 : 87,131.94 = 31,446.60 : x
2. Step 2: Convert to fraction form
   58,196.40/87,131.94 = 31,446.60/x
3. Step 3: Cross multiply
   58,196.40x = 87,131.94 × 31,446.60
4. Step 4: Simplify right side
   58,196.40x = 2,740,003,264.40
5. Step 5: Solve for x
   x = 2,740,003,264.40/58,196.40
6. Step 6: Final answer
   x = 47,082.01