Finding the Fourth Proportional to 12,955.51, 19,439.41 and 5,562.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,955.51 : 19,439.41 = 5,562.07 : x
2. Step 2: Convert to fraction form
   12,955.51/19,439.41 = 5,562.07/x
3. Step 3: Cross multiply
   12,955.51x = 19,439.41 × 5,562.07
4. Step 4: Simplify right side
   12,955.51x = 108,123,331.37
5. Step 5: Solve for x
   x = 108,123,331.37/12,955.51
6. Step 6: Final answer
   x = 8,345.74