Finding the Fourth Proportional to 42,495.02, 63,735.60 and 12,502.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,495.02 : 63,735.60 = 12,502.25 : x
2. Step 2: Convert to fraction form
   42,495.02/63,735.60 = 12,502.25/x
3. Step 3: Cross multiply
   42,495.02x = 63,735.60 × 12,502.25
4. Step 4: Simplify right side
   42,495.02x = 796,838,245.76
5. Step 5: Solve for x
   x = 796,838,245.76/42,495.02
6. Step 6: Final answer
   x = 18,751.33