Finding the Fourth Proportional to 77,980.28, 116,942.82 and 25,379.96

Step by Step Solution

1. Step 1: Write the proportion equation
   77,980.28 : 116,942.82 = 25,379.96 : x
2. Step 2: Convert to fraction form
   77,980.28/116,942.82 = 25,379.96/x
3. Step 3: Cross multiply
   77,980.28x = 116,942.82 × 25,379.96
4. Step 4: Simplify right side
   77,980.28x = 2,968,004,093.89
5. Step 5: Solve for x
   x = 2,968,004,093.89/77,980.28
6. Step 6: Final answer
   x = 38,060.96