Finding the Fourth Proportional to 117,769.83, 162,520.99 and 64,053.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,769.83 : 162,520.99 = 64,053.69 : x
2. Step 2: Convert to fraction form
   117,769.83/162,520.99 = 64,053.69/x
3. Step 3: Cross multiply
   117,769.83x = 162,520.99 × 64,053.69
4. Step 4: Simplify right side
   117,769.83x = 10,410,069,111.95
5. Step 5: Solve for x
   x = 10,410,069,111.95/117,769.83
6. Step 6: Final answer
   x = 88,393.34