Finding the Fourth Proportional to 184,862.24, 255,109.89 and 99,979.31

Step by Step Solution

1. Step 1: Write the proportion equation
   184,862.24 : 255,109.89 = 99,979.31 : x
2. Step 2: Convert to fraction form
   184,862.24/255,109.89 = 99,979.31/x
3. Step 3: Cross multiply
   184,862.24x = 255,109.89 × 99,979.31
4. Step 4: Simplify right side
   184,862.24x = 25,505,709,500.83
5. Step 5: Solve for x
   x = 25,505,709,500.83/184,862.24
6. Step 6: Final answer
   x = 137,971.44