Finding the Fourth Proportional to 21,946.76, 30,303.16 and 21,903.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,946.76 : 30,303.16 = 21,903.02 : x
2. Step 2: Convert to fraction form
   21,946.76/30,303.16 = 21,903.02/x
3. Step 3: Cross multiply
   21,946.76x = 30,303.16 × 21,903.02
4. Step 4: Simplify right side
   21,946.76x = 663,730,719.54
5. Step 5: Solve for x
   x = 663,730,719.54/21,946.76
6. Step 6: Final answer
   x = 30,242.77