Finding the Fourth Proportional to 108,111.16, 162,156.84 and 76,656.16

Step by Step Solution

1. Step 1: Write the proportion equation
   108,111.16 : 162,156.84 = 76,656.16 : x
2. Step 2: Convert to fraction form
   108,111.16/162,156.84 = 76,656.16/x
3. Step 3: Cross multiply
   108,111.16x = 162,156.84 × 76,656.16
4. Step 4: Simplify right side
   108,111.16x = 12,430,320,672.13
5. Step 5: Solve for x
   x = 12,430,320,672.13/108,111.16
6. Step 6: Final answer
   x = 114,977.22