Finding the Fourth Proportional to 70,329, 105,519.42 and 37,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,329 : 105,519.42 = 37,047.72 : x
2. Step 2: Convert to fraction form
   70,329/105,519.42 = 37,047.72/x
3. Step 3: Cross multiply
   70,329x = 105,519.42 × 37,047.72
4. Step 4: Simplify right side
   70,329x = 3,909,253,926.72
5. Step 5: Solve for x
   x = 3,909,253,926.72/70,329
6. Step 6: Final answer
   x = 55,585.23