Finding the Fourth Proportional to 55,126.82, 76,106.18 and 42,181.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,126.82 : 76,106.18 = 42,181.69 : x
2. Step 2: Convert to fraction form
   55,126.82/76,106.18 = 42,181.69/x
3. Step 3: Cross multiply
   55,126.82x = 76,106.18 × 42,181.69
4. Step 4: Simplify right side
   55,126.82x = 3,210,287,291.84
5. Step 5: Solve for x
   x = 3,210,287,291.84/55,126.82
6. Step 6: Final answer
   x = 58,234.58