Finding the Fourth Proportional to 42,942.67, 64,348.32 and 22,955.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,942.67 : 64,348.32 = 22,955.01 : x
2. Step 2: Convert to fraction form
   42,942.67/64,348.32 = 22,955.01/x
3. Step 3: Cross multiply
   42,942.67x = 64,348.32 × 22,955.01
4. Step 4: Simplify right side
   42,942.67x = 1,477,115,892.57
5. Step 5: Solve for x
   x = 1,477,115,892.57/42,942.67
6. Step 6: Final answer
   x = 34,397.39