Finding the Fourth Proportional to 48,196.01, 72,285.82 and 13,127.47

Step by Step Solution

1. Step 1: Write the proportion equation
   48,196.01 : 72,285.82 = 13,127.47 : x
2. Step 2: Convert to fraction form
   48,196.01/72,285.82 = 13,127.47/x
3. Step 3: Cross multiply
   48,196.01x = 72,285.82 × 13,127.47
4. Step 4: Simplify right side
   48,196.01x = 948,929,719.94
5. Step 5: Solve for x
   x = 948,929,719.94/48,196.01
6. Step 6: Final answer
   x = 19,688.97