Finding the Fourth Proportional to 31,089.41, 42,852.18 and 22,003.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,089.41 : 42,852.18 = 22,003.02 : x
2. Step 2: Convert to fraction form
   31,089.41/42,852.18 = 22,003.02/x
3. Step 3: Cross multiply
   31,089.41x = 42,852.18 × 22,003.02
4. Step 4: Simplify right side
   31,089.41x = 942,877,373.58
5. Step 5: Solve for x
   x = 942,877,373.58/31,089.41
6. Step 6: Final answer
   x = 30,327.93