Finding the Fourth Proportional to 111,632.31, 154,025.96 and 63,235.35

Step by Step Solution

1. Step 1: Write the proportion equation
   111,632.31 : 154,025.96 = 63,235.35 : x
2. Step 2: Convert to fraction form
   111,632.31/154,025.96 = 63,235.35/x
3. Step 3: Cross multiply
   111,632.31x = 154,025.96 × 63,235.35
4. Step 4: Simplify right side
   111,632.31x = 9,739,885,173.51
5. Step 5: Solve for x
   x = 9,739,885,173.51/111,632.31
6. Step 6: Final answer
   x = 87,249.70