Finding the Fourth Proportional to 48,523.34, 72,784.20 and 21,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,523.34 : 72,784.20 = 21,854.50 : x
2. Step 2: Convert to fraction form
   48,523.34/72,784.20 = 21,854.50/x
3. Step 3: Cross multiply
   48,523.34x = 72,784.20 × 21,854.50
4. Step 4: Simplify right side
   48,523.34x = 1,590,662,012.30
5. Step 5: Solve for x
   x = 1,590,662,012.30/48,523.34
6. Step 6: Final answer
   x = 32,781.38