Finding the Fourth Proportional to 51,435.15, 77,185.52 and 21,852.98

Step by Step Solution

1. Step 1: Write the proportion equation
   51,435.15 : 77,185.52 = 21,852.98 : x
2. Step 2: Convert to fraction form
   51,435.15/77,185.52 = 21,852.98/x
3. Step 3: Cross multiply
   51,435.15x = 77,185.52 × 21,852.98
4. Step 4: Simplify right side
   51,435.15x = 1,686,733,872.45
5. Step 5: Solve for x
   x = 1,686,733,872.45/51,435.15
6. Step 6: Final answer
   x = 32,793.41