Finding the Fourth Proportional to 113,259.78, 169,888.59 and 30,153.78

Step by Step Solution

1. Step 1: Write the proportion equation
   113,259.78 : 169,888.59 = 30,153.78 : x
2. Step 2: Convert to fraction form
   113,259.78/169,888.59 = 30,153.78/x
3. Step 3: Cross multiply
   113,259.78x = 169,888.59 × 30,153.78
4. Step 4: Simplify right side
   113,259.78x = 5,122,783,167.37
5. Step 5: Solve for x
   x = 5,122,783,167.37/113,259.78
6. Step 6: Final answer
   x = 45,230.38