Finding the Fourth Proportional to 57,068.24, 78,756.33 and 31,228.53

Step by Step Solution

1. Step 1: Write the proportion equation
   57,068.24 : 78,756.33 = 31,228.53 : x
2. Step 2: Convert to fraction form
   57,068.24/78,756.33 = 31,228.53/x
3. Step 3: Cross multiply
   57,068.24x = 78,756.33 × 31,228.53
4. Step 4: Simplify right side
   57,068.24x = 2,459,443,864.17
5. Step 5: Solve for x
   x = 2,459,443,864.17/57,068.24
6. Step 6: Final answer
   x = 43,096.54