Finding the Fourth Proportional to 110,863.05, 152,991.15 and 63,116.40

Step by Step Solution

1. Step 1: Write the proportion equation
   110,863.05 : 152,991.15 = 63,116.40 : x
2. Step 2: Convert to fraction form
   110,863.05/152,991.15 = 63,116.40/x
3. Step 3: Cross multiply
   110,863.05x = 152,991.15 × 63,116.40
4. Step 4: Simplify right side
   110,863.05x = 9,656,250,619.86
5. Step 5: Solve for x
   x = 9,656,250,619.86/110,863.05
6. Step 6: Final answer
   x = 87,100.71