Finding the Fourth Proportional to 416,018.89, 624,028.38 and 116,543.98

Step by Step Solution

1. Step 1: Write the proportion equation
   416,018.89 : 624,028.38 = 116,543.98 : x
2. Step 2: Convert to fraction form
   416,018.89/624,028.38 = 116,543.98/x
3. Step 3: Cross multiply
   416,018.89x = 624,028.38 × 116,543.98
4. Step 4: Simplify right side
   416,018.89x = 72,726,751,038.15
5. Step 5: Solve for x
   x = 72,726,751,038.15/416,018.89
6. Step 6: Final answer
   x = 174,815.98