Finding the Fourth Proportional to 113,980.58, 171,020.06 and 61,379.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,980.58 : 171,020.06 = 61,379.58 : x
2. Step 2: Convert to fraction form
   113,980.58/171,020.06 = 61,379.58/x
3. Step 3: Cross multiply
   113,980.58x = 171,020.06 × 61,379.58
4. Step 4: Simplify right side
   113,980.58x = 10,497,139,607.82
5. Step 5: Solve for x
   x = 10,497,139,607.82/113,980.58
6. Step 6: Final answer
   x = 92,095.86