Finding the Fourth Proportional to 92,911.68, 139,404.96 and 37,512

Step by Step Solution

1. Step 1: Write the proportion equation
   92,911.68 : 139,404.96 = 37,512 : x
2. Step 2: Convert to fraction form
   92,911.68/139,404.96 = 37,512/x
3. Step 3: Cross multiply
   92,911.68x = 139,404.96 × 37,512
4. Step 4: Simplify right side
   92,911.68x = 5,229,358,859.52
5. Step 5: Solve for x
   x = 5,229,358,859.52/92,911.68
6. Step 6: Final answer
   x = 56,283.12