Finding the Fourth Proportional to 37,029.78, 55,530.50 and 13,330.53

Step by Step Solution

1. Step 1: Write the proportion equation
   37,029.78 : 55,530.50 = 13,330.53 : x
2. Step 2: Convert to fraction form
   37,029.78/55,530.50 = 13,330.53/x
3. Step 3: Cross multiply
   37,029.78x = 55,530.50 × 13,330.53
4. Step 4: Simplify right side
   37,029.78x = 740,250,929.51
5. Step 5: Solve for x
   x = 740,250,929.51/37,029.78
6. Step 6: Final answer
   x = 19,990.69