Finding the Fourth Proportional to 76,736.96, 105,872.64 and 43,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,736.96 : 105,872.64 = 43,196.48 : x
2. Step 2: Convert to fraction form
   76,736.96/105,872.64 = 43,196.48/x
3. Step 3: Cross multiply
   76,736.96x = 105,872.64 × 43,196.48
4. Step 4: Simplify right side
   76,736.96x = 4,573,325,376.31
5. Step 5: Solve for x
   x = 4,573,325,376.31/76,736.96
6. Step 6: Final answer
   x = 59,597.43