Finding the Fourth Proportional to 12,953.71, 17,875.74 and 7,852.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.71 : 17,875.74 = 7,852.25 : x
2. Step 2: Convert to fraction form
   12,953.71/17,875.74 = 7,852.25/x
3. Step 3: Cross multiply
   12,953.71x = 17,875.74 × 7,852.25
4. Step 4: Simplify right side
   12,953.71x = 140,364,779.42
5. Step 5: Solve for x
   x = 140,364,779.42/12,953.71
6. Step 6: Final answer
   x = 10,835.87