Finding the Fourth Proportional to 118,297, 163,277.58 and 78,018.04

Step by Step Solution

1. Step 1: Write the proportion equation
   118,297 : 163,277.58 = 78,018.04 : x
2. Step 2: Convert to fraction form
   118,297/163,277.58 = 78,018.04/x
3. Step 3: Cross multiply
   118,297x = 163,277.58 × 78,018.04
4. Step 4: Simplify right side
   118,297x = 12,738,596,767.54
5. Step 5: Solve for x
   x = 12,738,596,767.54/118,297
6. Step 6: Final answer
   x = 107,683.18