Finding the Fourth Proportional to 51,120.54, 70,541.38 and 37,699.02

Step by Step Solution

1. Step 1: Write the proportion equation
   51,120.54 : 70,541.38 = 37,699.02 : x
2. Step 2: Convert to fraction form
   51,120.54/70,541.38 = 37,699.02/x
3. Step 3: Cross multiply
   51,120.54x = 70,541.38 × 37,699.02
4. Step 4: Simplify right side
   51,120.54x = 2,659,340,895.45
5. Step 5: Solve for x
   x = 2,659,340,895.45/51,120.54
6. Step 6: Final answer
   x = 52,020.99