Finding the Fourth Proportional to 37,099.48, 51,187.32 and 21,180.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,099.48 : 51,187.32 = 21,180.76 : x
2. Step 2: Convert to fraction form
   37,099.48/51,187.32 = 21,180.76/x
3. Step 3: Cross multiply
   37,099.48x = 51,187.32 × 21,180.76
4. Step 4: Simplify right side
   37,099.48x = 1,084,186,339.96
5. Step 5: Solve for x
   x = 1,084,186,339.96/37,099.48
6. Step 6: Final answer
   x = 29,223.76