Finding the Fourth Proportional to 118,017.07, 162,861.50 and 64,302.53

Step by Step Solution

1. Step 1: Write the proportion equation
   118,017.07 : 162,861.50 = 64,302.53 : x
2. Step 2: Convert to fraction form
   118,017.07/162,861.50 = 64,302.53/x
3. Step 3: Cross multiply
   118,017.07x = 162,861.50 × 64,302.53
4. Step 4: Simplify right side
   118,017.07x = 10,472,405,836.04
5. Step 5: Solve for x
   x = 10,472,405,836.04/118,017.07
6. Step 6: Final answer
   x = 88,736.37