Finding the Fourth Proportional to 78,916.05, 118,390.64 and 22,756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,916.05 : 118,390.64 = 22,756.05 : x
2. Step 2: Convert to fraction form
   78,916.05/118,390.64 = 22,756.05/x
3. Step 3: Cross multiply
   78,916.05x = 118,390.64 × 22,756.05
4. Step 4: Simplify right side
   78,916.05x = 2,694,103,209.59
5. Step 5: Solve for x
   x = 2,694,103,209.59/78,916.05
6. Step 6: Final answer
   x = 34,138.85