Finding the Fourth Proportional to 118,152.64, 163,050.06 and 64,436.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,152.64 : 163,050.06 = 64,436.68 : x
2. Step 2: Convert to fraction form
   118,152.64/163,050.06 = 64,436.68/x
3. Step 3: Cross multiply
   118,152.64x = 163,050.06 × 64,436.68
4. Step 4: Simplify right side
   118,152.64x = 10,506,404,540.20
5. Step 5: Solve for x
   x = 10,506,404,540.20/118,152.64
6. Step 6: Final answer
   x = 88,922.30