Finding the Fourth Proportional to 47,009.86, 64,871.52 and 25,788.70

Step by Step Solution

1. Step 1: Write the proportion equation
   47,009.86 : 64,871.52 = 25,788.70 : x
2. Step 2: Convert to fraction form
   47,009.86/64,871.52 = 25,788.70/x
3. Step 3: Cross multiply
   47,009.86x = 64,871.52 × 25,788.70
4. Step 4: Simplify right side
   47,009.86x = 1,672,952,167.82
5. Step 5: Solve for x
   x = 1,672,952,167.82/47,009.86
6. Step 6: Final answer
   x = 35,587.26