Finding the Fourth Proportional to 78,499.02, 117,732 and 25,896.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,499.02 : 117,732 = 25,896.18 : x
2. Step 2: Convert to fraction form
   78,499.02/117,732 = 25,896.18/x
3. Step 3: Cross multiply
   78,499.02x = 117,732 × 25,896.18
4. Step 4: Simplify right side
   78,499.02x = 3,048,809,063.76
5. Step 5: Solve for x
   x = 3,048,809,063.76/78,499.02
6. Step 6: Final answer
   x = 38,838.82