Finding the Fourth Proportional to 48,147.37, 72,238.16 and 21,490.94

Step by Step Solution

1. Step 1: Write the proportion equation
   48,147.37 : 72,238.16 = 21,490.94 : x
2. Step 2: Convert to fraction form
   48,147.37/72,238.16 = 21,490.94/x
3. Step 3: Cross multiply
   48,147.37x = 72,238.16 × 21,490.94
4. Step 4: Simplify right side
   48,147.37x = 1,552,466,196.59
5. Step 5: Solve for x
   x = 1,552,466,196.59/48,147.37
6. Step 6: Final answer
   x = 32,244.05