Finding the Fourth Proportional to 13,916.02, 19,204.88 and 7,949.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,916.02 : 19,204.88 = 7,949.63 : x
2. Step 2: Convert to fraction form
   13,916.02/19,204.88 = 7,949.63/x
3. Step 3: Cross multiply
   13,916.02x = 19,204.88 × 7,949.63
4. Step 4: Simplify right side
   13,916.02x = 152,671,594.17
5. Step 5: Solve for x
   x = 152,671,594.17/13,916.02
6. Step 6: Final answer
   x = 10,970.92