Finding the Fourth Proportional to 113,003.48, 169,533.70 and 79,788.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,003.48 : 169,533.70 = 79,788.42 : x
2. Step 2: Convert to fraction form
   113,003.48/169,533.70 = 79,788.42/x
3. Step 3: Cross multiply
   113,003.48x = 169,533.70 × 79,788.42
4. Step 4: Simplify right side
   113,003.48x = 13,526,826,059.75
5. Step 5: Solve for x
   x = 13,526,826,059.75/113,003.48
6. Step 6: Final answer
   x = 119,702.74