Finding the Fourth Proportional to 114,968, 158,664.96 and 64,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,968 : 158,664.96 = 64,670.72 : x
2. Step 2: Convert to fraction form
   114,968/158,664.96 = 64,670.72/x
3. Step 3: Cross multiply
   114,968x = 158,664.96 × 64,670.72
4. Step 4: Simplify right side
   114,968x = 10,260,977,201.97
5. Step 5: Solve for x
   x = 10,260,977,201.97/114,968
6. Step 6: Final answer
   x = 89,250.72