Finding the Fourth Proportional to 116,156.83, 160,352.74 and 77,902.38

Step by Step Solution

1. Step 1: Write the proportion equation
   116,156.83 : 160,352.74 = 77,902.38 : x
2. Step 2: Convert to fraction form
   116,156.83/160,352.74 = 77,902.38/x
3. Step 3: Cross multiply
   116,156.83x = 160,352.74 × 77,902.38
4. Step 4: Simplify right side
   116,156.83x = 12,491,860,280.28
5. Step 5: Solve for x
   x = 12,491,860,280.28/116,156.83
6. Step 6: Final answer
   x = 107,543.06