Finding the Fourth Proportional to 47,088, 64,978.56 and 25,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,088 : 64,978.56 = 25,866.72 : x
2. Step 2: Convert to fraction form
   47,088/64,978.56 = 25,866.72/x
3. Step 3: Cross multiply
   47,088x = 64,978.56 × 25,866.72
4. Step 4: Simplify right side
   47,088x = 1,680,782,217.52
5. Step 5: Solve for x
   x = 1,680,782,217.52/47,088
6. Step 6: Final answer
   x = 35,694.49