Finding the Fourth Proportional to 55,557, 76,668.66 and 30,406.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,557 : 76,668.66 = 30,406.52 : x
2. Step 2: Convert to fraction form
   55,557/76,668.66 = 30,406.52/x
3. Step 3: Cross multiply
   55,557x = 76,668.66 × 30,406.52
4. Step 4: Simplify right side
   55,557x = 2,331,227,143.66
5. Step 5: Solve for x
   x = 2,331,227,143.66/55,557
6. Step 6: Final answer
   x = 41,961.00