Finding the Fourth Proportional to 131,830.84, 197,581.78 and 64,307.22

Step by Step Solution

1. Step 1: Write the proportion equation
   131,830.84 : 197,581.78 = 64,307.22 : x
2. Step 2: Convert to fraction form
   131,830.84/197,581.78 = 64,307.22/x
3. Step 3: Cross multiply
   131,830.84x = 197,581.78 × 64,307.22
4. Step 4: Simplify right side
   131,830.84x = 12,705,934,333.90
5. Step 5: Solve for x
   x = 12,705,934,333.90/131,830.84
6. Step 6: Final answer
   x = 96,380.59