Finding the Fourth Proportional to 51,259.20, 70,632.72 and 37,809.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,259.20 : 70,632.72 = 37,809.16 : x
2. Step 2: Convert to fraction form
   51,259.20/70,632.72 = 37,809.16/x
3. Step 3: Cross multiply
   51,259.20x = 70,632.72 × 37,809.16
4. Step 4: Simplify right side
   51,259.20x = 2,670,563,811.72
5. Step 5: Solve for x
   x = 2,670,563,811.72/51,259.20
6. Step 6: Final answer
   x = 52,099.21