Finding the Fourth Proportional to 95,175.72, 142,607.84 and 57,621.98

Step by Step Solution

1. Step 1: Write the proportion equation
   95,175.72 : 142,607.84 = 57,621.98 : x
2. Step 2: Convert to fraction form
   95,175.72/142,607.84 = 57,621.98/x
3. Step 3: Cross multiply
   95,175.72x = 142,607.84 × 57,621.98
4. Step 4: Simplify right side
   95,175.72x = 8,217,346,104.32
5. Step 5: Solve for x
   x = 8,217,346,104.32/95,175.72
6. Step 6: Final answer
   x = 86,338.68