Finding the Fourth Proportional to 38,047.05, 52,507.71 and 21,916.98

Step by Step Solution

1. Step 1: Write the proportion equation
   38,047.05 : 52,507.71 = 21,916.98 : x
2. Step 2: Convert to fraction form
   38,047.05/52,507.71 = 21,916.98/x
3. Step 3: Cross multiply
   38,047.05x = 52,507.71 × 21,916.98
4. Step 4: Simplify right side
   38,047.05x = 1,150,810,429.92
5. Step 5: Solve for x
   x = 1,150,810,429.92/38,047.05
6. Step 6: Final answer
   x = 30,247.03