Finding the Fourth Proportional to 70,331, 105,522.42 and 37,049.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,331 : 105,522.42 = 37,049.72 : x
2. Step 2: Convert to fraction form
   70,331/105,522.42 = 37,049.72/x
3. Step 3: Cross multiply
   70,331x = 105,522.42 × 37,049.72
4. Step 4: Simplify right side
   70,331x = 3,909,576,114.72
5. Step 5: Solve for x
   x = 3,909,576,114.72/70,331
6. Step 6: Final answer
   x = 55,588.23