Finding the Fourth Proportional to 42,720.59, 59,032.55 and 37,037.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,720.59 : 59,032.55 = 37,037.09 : x
2. Step 2: Convert to fraction form
   42,720.59/59,032.55 = 37,037.09/x
3. Step 3: Cross multiply
   42,720.59x = 59,032.55 × 37,037.09
4. Step 4: Simplify right side
   42,720.59x = 2,186,393,867.28
5. Step 5: Solve for x
   x = 2,186,393,867.28/42,720.59
6. Step 6: Final answer
   x = 51,178.92