Finding the Fourth Proportional to 76,945.46, 115,462.02 and 61,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,945.46 : 115,462.02 = 61,461.50 : x
2. Step 2: Convert to fraction form
   76,945.46/115,462.02 = 61,461.50/x
3. Step 3: Cross multiply
   76,945.46x = 115,462.02 × 61,461.50
4. Step 4: Simplify right side
   76,945.46x = 7,096,468,364.92
5. Step 5: Solve for x
   x = 7,096,468,364.92/76,945.46
6. Step 6: Final answer
   x = 92,227.26