Finding the Fourth Proportional to 114,443, 157,940.64 and 63,460.80

Step by Step Solution

1. Step 1: Write the proportion equation
   114,443 : 157,940.64 = 63,460.80 : x
2. Step 2: Convert to fraction form
   114,443/157,940.64 = 63,460.80/x
3. Step 3: Cross multiply
   114,443x = 157,940.64 × 63,460.80
4. Step 4: Simplify right side
   114,443x = 10,023,039,366.91
5. Step 5: Solve for x
   x = 10,023,039,366.91/114,443
6. Step 6: Final answer
   x = 87,581.06