Finding the Fourth Proportional to 12,783.90, 17,641.35 and 7,193.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,783.90 : 17,641.35 = 7,193.82 : x
2. Step 2: Convert to fraction form
   12,783.90/17,641.35 = 7,193.82/x
3. Step 3: Cross multiply
   12,783.90x = 17,641.35 × 7,193.82
4. Step 4: Simplify right side
   12,783.90x = 126,908,696.46
5. Step 5: Solve for x
   x = 126,908,696.46/12,783.90
6. Step 6: Final answer
   x = 9,927.23