Finding the Fourth Proportional to 109,747.65, 151,443.90 and 64,427.48

Step by Step Solution

1. Step 1: Write the proportion equation
   109,747.65 : 151,443.90 = 64,427.48 : x
2. Step 2: Convert to fraction form
   109,747.65/151,443.90 = 64,427.48/x
3. Step 3: Cross multiply
   109,747.65x = 151,443.90 × 64,427.48
4. Step 4: Simplify right side
   109,747.65x = 9,757,148,081.15
5. Step 5: Solve for x
   x = 9,757,148,081.15/109,747.65
6. Step 6: Final answer
   x = 88,905.30