Finding the Fourth Proportional to 37,325.34, 51,516.54 and 21,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,325.34 : 51,516.54 = 21,420.72 : x
2. Step 2: Convert to fraction form
   37,325.34/51,516.54 = 21,420.72/x
3. Step 3: Cross multiply
   37,325.34x = 51,516.54 × 21,420.72
4. Step 4: Simplify right side
   37,325.34x = 1,103,521,378.71
5. Step 5: Solve for x
   x = 1,103,521,378.71/37,325.34
6. Step 6: Final answer
   x = 29,564.94