Finding the Fourth Proportional to 118,085.40, 162,954.06 and 64,369.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,085.40 : 162,954.06 = 64,369.56 : x
2. Step 2: Convert to fraction form
   118,085.40/162,954.06 = 64,369.56/x
3. Step 3: Cross multiply
   118,085.40x = 162,954.06 × 64,369.56
4. Step 4: Simplify right side
   118,085.40x = 10,489,281,142.41
5. Step 5: Solve for x
   x = 10,489,281,142.41/118,085.40
6. Step 6: Final answer
   x = 88,827.93