Finding the Fourth Proportional to 55,298.75, 76,312.18 and 30,148.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.75 : 76,312.18 = 30,148.25 : x
2. Step 2: Convert to fraction form
   55,298.75/76,312.18 = 30,148.25/x
3. Step 3: Cross multiply
   55,298.75x = 76,312.18 × 30,148.25
4. Step 4: Simplify right side
   55,298.75x = 2,300,678,596.48
5. Step 5: Solve for x
   x = 2,300,678,596.48/55,298.75
6. Step 6: Final answer
   x = 41,604.53