Finding the Fourth Proportional to 131,196.64, 196,931.52 and 116,298.40

Step by Step Solution

1. Step 1: Write the proportion equation
   131,196.64 : 196,931.52 = 116,298.40 : x
2. Step 2: Convert to fraction form
   131,196.64/196,931.52 = 116,298.40/x
3. Step 3: Cross multiply
   131,196.64x = 196,931.52 × 116,298.40
4. Step 4: Simplify right side
   131,196.64x = 22,902,820,685.57
5. Step 5: Solve for x
   x = 22,902,820,685.57/131,196.64
6. Step 6: Final answer
   x = 174,568.65