Finding the Fourth Proportional to 111,990.96, 167,852.88 and 78,073.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,990.96 : 167,852.88 = 78,073.56 : x
2. Step 2: Convert to fraction form
   111,990.96/167,852.88 = 78,073.56/x
3. Step 3: Cross multiply
   111,990.96x = 167,852.88 × 78,073.56
4. Step 4: Simplify right side
   111,990.96x = 13,104,871,897.85
5. Step 5: Solve for x
   x = 13,104,871,897.85/111,990.96
6. Step 6: Final answer
   x = 117,017.23