Finding the Fourth Proportional to 42,630.88, 63,946.38 and 13,048.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,630.88 : 63,946.38 = 13,048.84 : x
2. Step 2: Convert to fraction form
   42,630.88/63,946.38 = 13,048.84/x
3. Step 3: Cross multiply
   42,630.88x = 63,946.38 × 13,048.84
4. Step 4: Simplify right side
   42,630.88x = 834,426,081.20
5. Step 5: Solve for x
   x = 834,426,081.20/42,630.88
6. Step 6: Final answer
   x = 19,573.28