Finding the Fourth Proportional to 47,079.35, 64,969.54 and 25,859.98

Step by Step Solution

1. Step 1: Write the proportion equation
   47,079.35 : 64,969.54 = 25,859.98 : x
2. Step 2: Convert to fraction form
   47,079.35/64,969.54 = 25,859.98/x
3. Step 3: Cross multiply
   47,079.35x = 64,969.54 × 25,859.98
4. Step 4: Simplify right side
   47,079.35x = 1,680,111,349.76
5. Step 5: Solve for x
   x = 1,680,111,349.76/47,079.35
6. Step 6: Final answer
   x = 35,686.80