Finding the Fourth Proportional to 120,663.48, 181,100.82 and 64,548.28

Step by Step Solution

1. Step 1: Write the proportion equation
   120,663.48 : 181,100.82 = 64,548.28 : x
2. Step 2: Convert to fraction form
   120,663.48/181,100.82 = 64,548.28/x
3. Step 3: Cross multiply
   120,663.48x = 181,100.82 × 64,548.28
4. Step 4: Simplify right side
   120,663.48x = 11,689,746,437.59
5. Step 5: Solve for x
   x = 11,689,746,437.59/120,663.48
6. Step 6: Final answer
   x = 96,878.91