Finding the Fourth Proportional to 114,116.28, 170,338.32 and 100,649.42

Step by Step Solution

1. Step 1: Write the proportion equation
   114,116.28 : 170,338.32 = 100,649.42 : x
2. Step 2: Convert to fraction form
   114,116.28/170,338.32 = 100,649.42/x
3. Step 3: Cross multiply
   114,116.28x = 170,338.32 × 100,649.42
4. Step 4: Simplify right side
   114,116.28x = 17,144,453,111.77
5. Step 5: Solve for x
   x = 17,144,453,111.77/114,116.28
6. Step 6: Final answer
   x = 150,236.70