Finding the Fourth Proportional to 56,922.72, 85,444.20 and 31,984.08

Step by Step Solution

1. Step 1: Write the proportion equation
   56,922.72 : 85,444.20 = 31,984.08 : x
2. Step 2: Convert to fraction form
   56,922.72/85,444.20 = 31,984.08/x
3. Step 3: Cross multiply
   56,922.72x = 85,444.20 × 31,984.08
4. Step 4: Simplify right side
   56,922.72x = 2,732,854,128.34
5. Step 5: Solve for x
   x = 2,732,854,128.34/56,922.72
6. Step 6: Final answer
   x = 48,009.90