Finding the Fourth Proportional to 76,882.37, 106,097.72 and 42,890.86

Step by Step Solution

1. Step 1: Write the proportion equation
   76,882.37 : 106,097.72 = 42,890.86 : x
2. Step 2: Convert to fraction form
   76,882.37/106,097.72 = 42,890.86/x
3. Step 3: Cross multiply
   76,882.37x = 106,097.72 × 42,890.86
4. Step 4: Simplify right side
   76,882.37x = 4,550,622,884.10
5. Step 5: Solve for x
   x = 4,550,622,884.10/76,882.37
6. Step 6: Final answer
   x = 59,189.42