Finding the Fourth Proportional to 76,492.78, 114,699.74 and 34,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,492.78 : 114,699.74 = 34,336.72 : x
2. Step 2: Convert to fraction form
   76,492.78/114,699.74 = 34,336.72/x
3. Step 3: Cross multiply
   76,492.78x = 114,699.74 × 34,336.72
4. Step 4: Simplify right side
   76,492.78x = 3,938,412,856.45
5. Step 5: Solve for x
   x = 3,938,412,856.45/76,492.78
6. Step 6: Final answer
   x = 51,487.38