Finding the Fourth Proportional to 76,855.62, 114,510.72 and 72,558.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,855.62 : 114,510.72 = 72,558.42 : x
2. Step 2: Convert to fraction form
   76,855.62/114,510.72 = 72,558.42/x
3. Step 3: Cross multiply
   76,855.62x = 114,510.72 × 72,558.42
4. Step 4: Simplify right side
   76,855.62x = 8,308,716,916.26
5. Step 5: Solve for x
   x = 8,308,716,916.26/76,855.62
6. Step 6: Final answer
   x = 108,108.12