Finding the Fourth Proportional to 111,546.10, 153,944.31 and 63,790.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,546.10 : 153,944.31 = 63,790.12 : x
2. Step 2: Convert to fraction form
   111,546.10/153,944.31 = 63,790.12/x
3. Step 3: Cross multiply
   111,546.10x = 153,944.31 × 63,790.12
4. Step 4: Simplify right side
   111,546.10x = 9,820,126,008.22
5. Step 5: Solve for x
   x = 9,820,126,008.22/111,546.10
6. Step 6: Final answer
   x = 88,036.48