Finding the Fourth Proportional to 118,367, 163,346.42 and 64,652.16

Step by Step Solution

1. Step 1: Write the proportion equation
   118,367 : 163,346.42 = 64,652.16 : x
2. Step 2: Convert to fraction form
   118,367/163,346.42 = 64,652.16/x
3. Step 3: Cross multiply
   118,367x = 163,346.42 × 64,652.16
4. Step 4: Simplify right side
   118,367x = 10,560,698,881.27
5. Step 5: Solve for x
   x = 10,560,698,881.27/118,367
6. Step 6: Final answer
   x = 89,219.96