Finding the Fourth Proportional to 113,978.95, 171,017.63 and 61,377.95

Step by Step Solution

1. Step 1: Write the proportion equation
   113,978.95 : 171,017.63 = 61,377.95 : x
2. Step 2: Convert to fraction form
   113,978.95/171,017.63 = 61,377.95/x
3. Step 3: Cross multiply
   113,978.95x = 171,017.63 × 61,377.95
4. Step 4: Simplify right side
   113,978.95x = 10,496,711,236.37
5. Step 5: Solve for x
   x = 10,496,711,236.37/113,978.95
6. Step 6: Final answer
   x = 92,093.42