Finding the Fourth Proportional to 55,384.56, 83,070.18 and 15,406.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,384.56 : 83,070.18 = 15,406.56 : x
2. Step 2: Convert to fraction form
   55,384.56/83,070.18 = 15,406.56/x
3. Step 3: Cross multiply
   55,384.56x = 83,070.18 × 15,406.56
4. Step 4: Simplify right side
   55,384.56x = 1,279,825,712.38
5. Step 5: Solve for x
   x = 1,279,825,712.38/55,384.56
6. Step 6: Final answer
   x = 23,107.99