Finding the Fourth Proportional to 118,462.50, 163,476.90 and 64,747.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,462.50 : 163,476.90 = 64,747.35 : x
2. Step 2: Convert to fraction form
   118,462.50/163,476.90 = 64,747.35/x
3. Step 3: Cross multiply
   118,462.50x = 163,476.90 × 64,747.35
4. Step 4: Simplify right side
   118,462.50x = 10,584,696,061.22
5. Step 5: Solve for x
   x = 10,584,696,061.22/118,462.50
6. Step 6: Final answer
   x = 89,350.61