Finding the Fourth Proportional to 76,746.72, 115,136.56 and 43,482.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,746.72 : 115,136.56 = 43,482.72 : x
2. Step 2: Convert to fraction form
   76,746.72/115,136.56 = 43,482.72/x
3. Step 3: Cross multiply
   76,746.72x = 115,136.56 × 43,482.72
4. Step 4: Simplify right side
   76,746.72x = 5,006,450,800.24
5. Step 5: Solve for x
   x = 5,006,450,800.24/76,746.72
6. Step 6: Final answer
   x = 65,233.42