Finding the Fourth Proportional to 55,384.35, 76,530.33 and 39,441.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,384.35 : 76,530.33 = 39,441.12 : x
2. Step 2: Convert to fraction form
   55,384.35/76,530.33 = 39,441.12/x
3. Step 3: Cross multiply
   55,384.35x = 76,530.33 × 39,441.12
4. Step 4: Simplify right side
   55,384.35x = 3,018,441,929.17
5. Step 5: Solve for x
   x = 3,018,441,929.17/55,384.35
6. Step 6: Final answer
   x = 54,499.91