Finding the Fourth Proportional to 111,014.18, 166,510.47 and 61,077.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,014.18 : 166,510.47 = 61,077.86 : x
2. Step 2: Convert to fraction form
   111,014.18/166,510.47 = 61,077.86/x
3. Step 3: Cross multiply
   111,014.18x = 166,510.47 × 61,077.86
4. Step 4: Simplify right side
   111,014.18x = 10,170,103,175.19
5. Step 5: Solve for x
   x = 10,170,103,175.19/111,014.18
6. Step 6: Final answer
   x = 91,610.85