Finding the Fourth Proportional to 118,036.49, 162,890.33 and 64,321.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,036.49 : 162,890.33 = 64,321.52 : x
2. Step 2: Convert to fraction form
   118,036.49/162,890.33 = 64,321.52/x
3. Step 3: Cross multiply
   118,036.49x = 162,890.33 × 64,321.52
4. Step 4: Simplify right side
   118,036.49x = 10,477,352,482.84
5. Step 5: Solve for x
   x = 10,477,352,482.84/118,036.49
6. Step 6: Final answer
   x = 88,763.68