Finding the Fourth Proportional to 21,445.76, 32,177.86 and 10,360.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,445.76 : 32,177.86 = 10,360.76 : x
2. Step 2: Convert to fraction form
   21,445.76/32,177.86 = 10,360.76/x
3. Step 3: Cross multiply
   21,445.76x = 32,177.86 × 10,360.76
4. Step 4: Simplify right side
   21,445.76x = 333,387,084.77
5. Step 5: Solve for x
   x = 333,387,084.77/21,445.76
6. Step 6: Final answer
   x = 15,545.59