Finding the Fourth Proportional to 109,669.72, 151,345.25 and 64,348.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,669.72 : 151,345.25 = 64,348.47 : x
2. Step 2: Convert to fraction form
   109,669.72/151,345.25 = 64,348.47/x
3. Step 3: Cross multiply
   109,669.72x = 151,345.25 × 64,348.47
4. Step 4: Simplify right side
   109,669.72x = 9,738,835,279.27
5. Step 5: Solve for x
   x = 9,738,835,279.27/109,669.72
6. Step 6: Final answer
   x = 88,801.50