Finding the Fourth Proportional to 9,873.90, 14,809.72 and 3,953.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,873.90 : 14,809.72 = 3,953.34 : x
2. Step 2: Convert to fraction form
   9,873.90/14,809.72 = 3,953.34/x
3. Step 3: Cross multiply
   9,873.90x = 14,809.72 × 3,953.34
4. Step 4: Simplify right side
   9,873.90x = 58,547,858.46
5. Step 5: Solve for x
   x = 58,547,858.46/9,873.90
6. Step 6: Final answer
   x = 5,929.56