Finding the Fourth Proportional to 39,096.87, 53,953.76 and 21,191.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,096.87 : 53,953.76 = 21,191.82 : x
2. Step 2: Convert to fraction form
   39,096.87/53,953.76 = 21,191.82/x
3. Step 3: Cross multiply
   39,096.87x = 53,953.76 × 21,191.82
4. Step 4: Simplify right side
   39,096.87x = 1,143,378,264.28
5. Step 5: Solve for x
   x = 1,143,378,264.28/39,096.87
6. Step 6: Final answer
   x = 29,244.75