Finding the Fourth Proportional to 14,784.61, 20,368.10 and 10,300.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,784.61 : 20,368.10 = 10,300.25 : x
2. Step 2: Convert to fraction form
   14,784.61/20,368.10 = 10,300.25/x
3. Step 3: Cross multiply
   14,784.61x = 20,368.10 × 10,300.25
4. Step 4: Simplify right side
   14,784.61x = 209,796,445.94
5. Step 5: Solve for x
   x = 209,796,445.94/14,784.61
6. Step 6: Final answer
   x = 14,190.19