Finding the Fourth Proportional to 105,472, 158,233.92 and 31,600

Step by Step Solution

1. Step 1: Write the proportion equation
   105,472 : 158,233.92 = 31,600 : x
2. Step 2: Convert to fraction form
   105,472/158,233.92 = 31,600/x
3. Step 3: Cross multiply
   105,472x = 158,233.92 × 31,600
4. Step 4: Simplify right side
   105,472x = 5,000,191,872
5. Step 5: Solve for x
   x = 5,000,191,872/105,472
6. Step 6: Final answer
   x = 47,407.77