Finding the Fourth Proportional to 52,498.17, 78,780.03 and 21,333.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,498.17 : 78,780.03 = 21,333.42 : x
2. Step 2: Convert to fraction form
   52,498.17/78,780.03 = 21,333.42/x
3. Step 3: Cross multiply
   52,498.17x = 78,780.03 × 21,333.42
4. Step 4: Simplify right side
   52,498.17x = 1,680,647,467.60
5. Step 5: Solve for x
   x = 1,680,647,467.60/52,498.17
6. Step 6: Final answer
   x = 32,013.45