Finding the Fourth Proportional to 111,527.16, 167,290.96 and 78,395.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,527.16 : 167,290.96 = 78,395.48 : x
2. Step 2: Convert to fraction form
   111,527.16/167,290.96 = 78,395.48/x
3. Step 3: Cross multiply
   111,527.16x = 167,290.96 × 78,395.48
4. Step 4: Simplify right side
   111,527.16x = 13,114,855,108.86
5. Step 5: Solve for x
   x = 13,114,855,108.86/111,527.16
6. Step 6: Final answer
   x = 117,593.37