Finding the Fourth Proportional to 15,442.59, 21,293.83 and 10,055.08

Step by Step Solution

1. Step 1: Write the proportion equation
   15,442.59 : 21,293.83 = 10,055.08 : x
2. Step 2: Convert to fraction form
   15,442.59/21,293.83 = 10,055.08/x
3. Step 3: Cross multiply
   15,442.59x = 21,293.83 × 10,055.08
4. Step 4: Simplify right side
   15,442.59x = 214,111,164.16
5. Step 5: Solve for x
   x = 214,111,164.16/15,442.59
6. Step 6: Final answer
   x = 13,864.98