Finding the Fourth Proportional to 111,781.86, 167,632.23 and 61,218.46

Step by Step Solution

1. Step 1: Write the proportion equation
   111,781.86 : 167,632.23 = 61,218.46 : x
2. Step 2: Convert to fraction form
   111,781.86/167,632.23 = 61,218.46/x
3. Step 3: Cross multiply
   111,781.86x = 167,632.23 × 61,218.46
4. Step 4: Simplify right side
   111,781.86x = 10,262,186,740.91
5. Step 5: Solve for x
   x = 10,262,186,740.91/111,781.86
6. Step 6: Final answer
   x = 91,805.47