Finding the Fourth Proportional to 77,443.62, 116,151.62 and 49,280.09

Step by Step Solution

1. Step 1: Write the proportion equation
   77,443.62 : 116,151.62 = 49,280.09 : x
2. Step 2: Convert to fraction form
   77,443.62/116,151.62 = 49,280.09/x
3. Step 3: Cross multiply
   77,443.62x = 116,151.62 × 49,280.09
4. Step 4: Simplify right side
   77,443.62x = 5,723,961,460.09
5. Step 5: Solve for x
   x = 5,723,961,460.09/77,443.62
6. Step 6: Final answer
   x = 73,911.34