Finding the Fourth Proportional to 116,814.72, 161,204.38 and 63,099.74

Step by Step Solution

1. Step 1: Write the proportion equation
   116,814.72 : 161,204.38 = 63,099.74 : x
2. Step 2: Convert to fraction form
   116,814.72/161,204.38 = 63,099.74/x
3. Step 3: Cross multiply
   116,814.72x = 161,204.38 × 63,099.74
4. Step 4: Simplify right side
   116,814.72x = 10,171,954,464.86
5. Step 5: Solve for x
   x = 10,171,954,464.86/116,814.72
6. Step 6: Final answer
   x = 87,077.68