Finding the Fourth Proportional to 42,982.09, 64,472.83 and 23,385.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,982.09 : 64,472.83 = 23,385.22 : x
2. Step 2: Convert to fraction form
   42,982.09/64,472.83 = 23,385.22/x
3. Step 3: Cross multiply
   42,982.09x = 64,472.83 × 23,385.22
4. Step 4: Simplify right side
   42,982.09x = 1,507,711,093.93
5. Step 5: Solve for x
   x = 1,507,711,093.93/42,982.09
6. Step 6: Final answer
   x = 35,077.66