Finding the Fourth Proportional to 30,529.35, 42,155.24 and 22,656.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,529.35 : 42,155.24 = 22,656.15 : x
2. Step 2: Convert to fraction form
   30,529.35/42,155.24 = 22,656.15/x
3. Step 3: Cross multiply
   30,529.35x = 42,155.24 × 22,656.15
4. Step 4: Simplify right side
   30,529.35x = 955,075,327.45
5. Step 5: Solve for x
   x = 955,075,327.45/30,529.35
6. Step 6: Final answer
   x = 31,283.84