Finding the Fourth Proportional to 47,012.61, 64,877.42 and 25,791.87

Step by Step Solution

1. Step 1: Write the proportion equation
   47,012.61 : 64,877.42 = 25,791.87 : x
2. Step 2: Convert to fraction form
   47,012.61/64,877.42 = 25,791.87/x
3. Step 3: Cross multiply
   47,012.61x = 64,877.42 × 25,791.87
4. Step 4: Simplify right side
   47,012.61x = 1,673,309,853.62
5. Step 5: Solve for x
   x = 1,673,309,853.62/47,012.61
6. Step 6: Final answer
   x = 35,592.79