Finding the Fourth Proportional to 37,769.69, 52,119.62 and 21,637.05

Step by Step Solution

1. Step 1: Write the proportion equation
   37,769.69 : 52,119.62 = 21,637.05 : x
2. Step 2: Convert to fraction form
   37,769.69/52,119.62 = 21,637.05/x
3. Step 3: Cross multiply
   37,769.69x = 52,119.62 × 21,637.05
4. Step 4: Simplify right side
   37,769.69x = 1,127,714,715.74
5. Step 5: Solve for x
   x = 1,127,714,715.74/37,769.69
6. Step 6: Final answer
   x = 29,857.67