Finding the Fourth Proportional to 116,865.59, 161,274.50 and 63,150.61

Step by Step Solution

1. Step 1: Write the proportion equation
   116,865.59 : 161,274.50 = 63,150.61 : x
2. Step 2: Convert to fraction form
   116,865.59/161,274.50 = 63,150.61/x
3. Step 3: Cross multiply
   116,865.59x = 161,274.50 × 63,150.61
4. Step 4: Simplify right side
   116,865.59x = 10,184,582,246.07
5. Step 5: Solve for x
   x = 10,184,582,246.07/116,865.59
6. Step 6: Final answer
   x = 87,147.83