Finding the Fourth Proportional to 113,558.63, 156,676.22 and 65,802.75

Step by Step Solution

1. Step 1: Write the proportion equation
   113,558.63 : 156,676.22 = 65,802.75 : x
2. Step 2: Convert to fraction form
   113,558.63/156,676.22 = 65,802.75/x
3. Step 3: Cross multiply
   113,558.63x = 156,676.22 × 65,802.75
4. Step 4: Simplify right side
   113,558.63x = 10,309,726,135.61
5. Step 5: Solve for x
   x = 10,309,726,135.61/113,558.63
6. Step 6: Final answer
   x = 90,787.69