Finding the Fourth Proportional to 116,814.57, 161,204.01 and 63,099.57

Step by Step Solution

1. Step 1: Write the proportion equation
   116,814.57 : 161,204.01 = 63,099.57 : x
2. Step 2: Convert to fraction form
   116,814.57/161,204.01 = 63,099.57/x
3. Step 3: Cross multiply
   116,814.57x = 161,204.01 × 63,099.57
4. Step 4: Simplify right side
   116,814.57x = 10,171,903,397.78
5. Step 5: Solve for x
   x = 10,171,903,397.78/116,814.57
6. Step 6: Final answer
   x = 87,077.36