Finding the Fourth Proportional to 42,971.38, 64,456.83 and 23,374.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,971.38 : 64,456.83 = 23,374.49 : x
2. Step 2: Convert to fraction form
   42,971.38/64,456.83 = 23,374.49/x
3. Step 3: Cross multiply
   42,971.38x = 64,456.83 × 23,374.49
4. Step 4: Simplify right side
   42,971.38x = 1,506,645,205.98
5. Step 5: Solve for x
   x = 1,506,645,205.98/42,971.38
6. Step 6: Final answer
   x = 35,061.60