Finding the Fourth Proportional to 109,739.52, 151,456.59 and 64,442.29

Step by Step Solution

1. Step 1: Write the proportion equation
   109,739.52 : 151,456.59 = 64,442.29 : x
2. Step 2: Convert to fraction form
   109,739.52/151,456.59 = 64,442.29/x
3. Step 3: Cross multiply
   109,739.52x = 151,456.59 × 64,442.29
4. Step 4: Simplify right side
   109,739.52x = 9,760,209,495.19
5. Step 5: Solve for x
   x = 9,760,209,495.19/109,739.52
6. Step 6: Final answer
   x = 88,939.79