Finding the Fourth Proportional to 109,546.52, 151,138.86 and 86,503.19

Step by Step Solution

1. Step 1: Write the proportion equation
   109,546.52 : 151,138.86 = 86,503.19 : x
2. Step 2: Convert to fraction form
   109,546.52/151,138.86 = 86,503.19/x
3. Step 3: Cross multiply
   109,546.52x = 151,138.86 × 86,503.19
4. Step 4: Simplify right side
   109,546.52x = 13,073,993,522.96
5. Step 5: Solve for x
   x = 13,073,993,522.96/109,546.52
6. Step 6: Final answer
   x = 119,346.50