Finding the Fourth Proportional to 52,501, 78,787.98 and 21,336.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,501 : 78,787.98 = 21,336.28 : x
2. Step 2: Convert to fraction form
   52,501/78,787.98 = 21,336.28/x
3. Step 3: Cross multiply
   52,501x = 78,787.98 × 21,336.28
4. Step 4: Simplify right side
   52,501x = 1,681,042,401.91
5. Step 5: Solve for x
   x = 1,681,042,401.91/52,501
6. Step 6: Final answer
   x = 32,019.25