Finding the Fourth Proportional to 92,146.76, 138,492.82 and 76,453.62

Step by Step Solution

1. Step 1: Write the proportion equation
   92,146.76 : 138,492.82 = 76,453.62 : x
2. Step 2: Convert to fraction form
   92,146.76/138,492.82 = 76,453.62/x
3. Step 3: Cross multiply
   92,146.76x = 138,492.82 × 76,453.62
4. Step 4: Simplify right side
   92,146.76x = 10,588,277,433.01
5. Step 5: Solve for x
   x = 10,588,277,433.01/92,146.76
6. Step 6: Final answer
   x = 114,906.67