Finding the Fourth Proportional to 37,086.77, 51,184.96 and 21,172.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,086.77 : 51,184.96 = 21,172.16 : x
2. Step 2: Convert to fraction form
   37,086.77/51,184.96 = 21,172.16/x
3. Step 3: Cross multiply
   37,086.77x = 51,184.96 × 21,172.16
4. Step 4: Simplify right side
   37,086.77x = 1,083,695,853.86
5. Step 5: Solve for x
   x = 1,083,695,853.86/37,086.77
6. Step 6: Final answer
   x = 29,220.55