Finding the Fourth Proportional to 61,118.28, 84,338.64 and 37,242

Step by Step Solution

1. Step 1: Write the proportion equation
   61,118.28 : 84,338.64 = 37,242 : x
2. Step 2: Convert to fraction form
   61,118.28/84,338.64 = 37,242/x
3. Step 3: Cross multiply
   61,118.28x = 84,338.64 × 37,242
4. Step 4: Simplify right side
   61,118.28x = 3,140,939,630.88
5. Step 5: Solve for x
   x = 3,140,939,630.88/61,118.28
6. Step 6: Final answer
   x = 51,391.17