Finding the Fourth Proportional to 31,000.88, 42,705.29 and 22,477.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,000.88 : 42,705.29 = 22,477.96 : x
2. Step 2: Convert to fraction form
   31,000.88/42,705.29 = 22,477.96/x
3. Step 3: Cross multiply
   31,000.88x = 42,705.29 × 22,477.96
4. Step 4: Simplify right side
   31,000.88x = 959,927,909.98
5. Step 5: Solve for x
   x = 959,927,909.98/31,000.88
6. Step 6: Final answer
   x = 30,964.53