Finding the Fourth Proportional to 118,538.40, 163,581.42 and 67,554.17

Step by Step Solution

1. Step 1: Write the proportion equation
   118,538.40 : 163,581.42 = 67,554.17 : x
2. Step 2: Convert to fraction form
   118,538.40/163,581.42 = 67,554.17/x
3. Step 3: Cross multiply
   118,538.40x = 163,581.42 × 67,554.17
4. Step 4: Simplify right side
   118,538.40x = 11,050,607,055.52
5. Step 5: Solve for x
   x = 11,050,607,055.52/118,538.40
6. Step 6: Final answer
   x = 93,223.86