Finding the Fourth Proportional to 116,863.59, 161,271.74 and 63,148.61

Step by Step Solution

1. Step 1: Write the proportion equation
   116,863.59 : 161,271.74 = 63,148.61 : x
2. Step 2: Convert to fraction form
   116,863.59/161,271.74 = 63,148.61/x
3. Step 3: Cross multiply
   116,863.59x = 161,271.74 × 63,148.61
4. Step 4: Simplify right side
   116,863.59x = 10,184,085,406.92
5. Step 5: Solve for x
   x = 10,184,085,406.92/116,863.59
6. Step 6: Final answer
   x = 87,145.07