Finding the Fourth Proportional to 73,090.69, 109,679.78 and 31,537.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,090.69 : 109,679.78 = 31,537.69 : x
2. Step 2: Convert to fraction form
   73,090.69/109,679.78 = 31,537.69/x
3. Step 3: Cross multiply
   73,090.69x = 109,679.78 × 31,537.69
4. Step 4: Simplify right side
   73,090.69x = 3,459,046,900.91
5. Step 5: Solve for x
   x = 3,459,046,900.91/73,090.69
6. Step 6: Final answer
   x = 47,325.41