Finding the Fourth Proportional to 111,483.68, 167,204.48 and 31,521

Step by Step Solution

1. Step 1: Write the proportion equation
   111,483.68 : 167,204.48 = 31,521 : x
2. Step 2: Convert to fraction form
   111,483.68/167,204.48 = 31,521/x
3. Step 3: Cross multiply
   111,483.68x = 167,204.48 × 31,521
4. Step 4: Simplify right side
   111,483.68x = 5,270,452,256.48
5. Step 5: Solve for x
   x = 5,270,452,256.48/111,483.68
6. Step 6: Final answer
   x = 47,275.55