Finding the Fourth Proportional to 109,656.15, 151,349.48 and 69,423.55

Step by Step Solution

1. Step 1: Write the proportion equation
   109,656.15 : 151,349.48 = 69,423.55 : x
2. Step 2: Convert to fraction form
   109,656.15/151,349.48 = 69,423.55/x
3. Step 3: Cross multiply
   109,656.15x = 151,349.48 × 69,423.55
4. Step 4: Simplify right side
   109,656.15x = 10,507,217,845.14
5. Step 5: Solve for x
   x = 10,507,217,845.14/109,656.15
6. Step 6: Final answer
   x = 95,819.69