Finding the Fourth Proportional to 118,334.84, 163,308.72 and 64,624.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,334.84 : 163,308.72 = 64,624.84 : x
2. Step 2: Convert to fraction form
   118,334.84/163,308.72 = 64,624.84/x
3. Step 3: Cross multiply
   118,334.84x = 163,308.72 × 64,624.84
4. Step 4: Simplify right side
   118,334.84x = 10,553,799,900.60
5. Step 5: Solve for x
   x = 10,553,799,900.60/118,334.84
6. Step 6: Final answer
   x = 89,185.91