Finding the Fourth Proportional to 42,720.09, 59,031.86 and 37,036.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,720.09 : 59,031.86 = 37,036.59 : x
2. Step 2: Convert to fraction form
   42,720.09/59,031.86 = 37,036.59/x
3. Step 3: Cross multiply
   42,720.09x = 59,031.86 × 37,036.59
4. Step 4: Simplify right side
   42,720.09x = 2,186,338,795.76
5. Step 5: Solve for x
   x = 2,186,338,795.76/42,720.09
6. Step 6: Final answer
   x = 51,178.23