Finding the Fourth Proportional to 51,233.86, 76,847.98 and 19,659.07

Step by Step Solution

1. Step 1: Write the proportion equation
   51,233.86 : 76,847.98 = 19,659.07 : x
2. Step 2: Convert to fraction form
   51,233.86/76,847.98 = 19,659.07/x
3. Step 3: Cross multiply
   51,233.86x = 76,847.98 × 19,659.07
4. Step 4: Simplify right side
   51,233.86x = 1,510,759,818.18
5. Step 5: Solve for x
   x = 1,510,759,818.18/51,233.86
6. Step 6: Final answer
   x = 29,487.53