Finding the Fourth Proportional to 117,852.33, 162,633.10 and 64,136.19

Step by Step Solution

1. Step 1: Write the proportion equation
   117,852.33 : 162,633.10 = 64,136.19 : x
2. Step 2: Convert to fraction form
   117,852.33/162,633.10 = 64,136.19/x
3. Step 3: Cross multiply
   117,852.33x = 162,633.10 × 64,136.19
4. Step 4: Simplify right side
   117,852.33x = 10,430,667,333.89
5. Step 5: Solve for x
   x = 10,430,667,333.89/117,852.33
6. Step 6: Final answer
   x = 88,506.25