Finding the Fourth Proportional to 87,870.75, 121,261.73 and 47,584.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,870.75 : 121,261.73 = 47,584.56 : x
2. Step 2: Convert to fraction form
   87,870.75/121,261.73 = 47,584.56/x
3. Step 3: Cross multiply
   87,870.75x = 121,261.73 × 47,584.56
4. Step 4: Simplify right side
   87,870.75x = 5,770,186,066.89
5. Step 5: Solve for x
   x = 5,770,186,066.89/87,870.75
6. Step 6: Final answer
   x = 65,666.74