Finding the Fourth Proportional to 37,065.62, 51,146.73 and 21,147

Step by Step Solution

1. Step 1: Write the proportion equation
   37,065.62 : 51,146.73 = 21,147 : x
2. Step 2: Convert to fraction form
   37,065.62/51,146.73 = 21,147/x
3. Step 3: Cross multiply
   37,065.62x = 51,146.73 × 21,147
4. Step 4: Simplify right side
   37,065.62x = 1,081,599,899.31
5. Step 5: Solve for x
   x = 1,081,599,899.31/37,065.62
6. Step 6: Final answer
   x = 29,180.68