Finding the Fourth Proportional to 84,196.64, 126,174.56 and 61,834.56

Step by Step Solution

1. Step 1: Write the proportion equation
   84,196.64 : 126,174.56 = 61,834.56 : x
2. Step 2: Convert to fraction form
   84,196.64/126,174.56 = 61,834.56/x
3. Step 3: Cross multiply
   84,196.64x = 126,174.56 × 61,834.56
4. Step 4: Simplify right side
   84,196.64x = 7,801,948,400.79
5. Step 5: Solve for x
   x = 7,801,948,400.79/84,196.64
6. Step 6: Final answer
   x = 92,663.42