Finding the Fourth Proportional to 37,099.30, 51,200.70 and 21,186.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,099.30 : 51,200.70 = 21,186.16 : x
2. Step 2: Convert to fraction form
   37,099.30/51,200.70 = 21,186.16/x
3. Step 3: Cross multiply
   37,099.30x = 51,200.70 × 21,186.16
4. Step 4: Simplify right side
   37,099.30x = 1,084,746,222.31
5. Step 5: Solve for x
   x = 1,084,746,222.31/37,099.30
6. Step 6: Final answer
   x = 29,238.99