Finding the Fourth Proportional to 109,559, 151,191.42 and 64,847

Step by Step Solution

1. Step 1: Write the proportion equation
   109,559 : 151,191.42 = 64,847 : x
2. Step 2: Convert to fraction form
   109,559/151,191.42 = 64,847/x
3. Step 3: Cross multiply
   109,559x = 151,191.42 × 64,847
4. Step 4: Simplify right side
   109,559x = 9,804,310,012.74
5. Step 5: Solve for x
   x = 9,804,310,012.74/109,559
6. Step 6: Final answer
   x = 89,488.86