Finding the Fourth Proportional to 118,019.35, 162,868.56 and 64,304.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,019.35 : 162,868.56 = 64,304.35 : x
2. Step 2: Convert to fraction form
   118,019.35/162,868.56 = 64,304.35/x
3. Step 3: Cross multiply
   118,019.35x = 162,868.56 × 64,304.35
4. Step 4: Simplify right side
   118,019.35x = 10,473,156,886.24
5. Step 5: Solve for x
   x = 10,473,156,886.24/118,019.35
6. Step 6: Final answer
   x = 88,741.01