Finding the Fourth Proportional to 40,145.00, 55,397.93 and 22,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   40,145.00 : 55,397.93 = 22,238.96 : x
2. Step 2: Convert to fraction form
   40,145.00/55,397.93 = 22,238.96/x
3. Step 3: Cross multiply
   40,145.00x = 55,397.93 × 22,238.96
4. Step 4: Simplify right side
   40,145.00x = 1,231,991,961.17
5. Step 5: Solve for x
   x = 1,231,991,961.17/40,145.00
6. Step 6: Final answer
   x = 30,688.56