Finding the Fourth Proportional to 70,912.72, 106,400.40 and 37,624.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,912.72 : 106,400.40 = 37,624.69 : x
2. Step 2: Convert to fraction form
   70,912.72/106,400.40 = 37,624.69/x
3. Step 3: Cross multiply
   70,912.72x = 106,400.40 × 37,624.69
4. Step 4: Simplify right side
   70,912.72x = 4,003,282,065.88
5. Step 5: Solve for x
   x = 4,003,282,065.88/70,912.72
6. Step 6: Final answer
   x = 56,453.65