Finding the Fourth Proportional to 111,874.86, 167,812.29 and 105,031.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,874.86 : 167,812.29 = 105,031.98 : x
2. Step 2: Convert to fraction form
   111,874.86/167,812.29 = 105,031.98/x
3. Step 3: Cross multiply
   111,874.86x = 167,812.29 × 105,031.98
4. Step 4: Simplify right side
   111,874.86x = 17,625,657,087.03
5. Step 5: Solve for x
   x = 17,625,657,087.03/111,874.86
6. Step 6: Final answer
   x = 157,547.97