Finding the Fourth Proportional to 9,132.12, 12,602.54 and 5,153.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.12 : 12,602.54 = 5,153.00 : x
2. Step 2: Convert to fraction form
   9,132.12/12,602.54 = 5,153.00/x
3. Step 3: Cross multiply
   9,132.12x = 12,602.54 × 5,153.00
4. Step 4: Simplify right side
   9,132.12x = 64,940,799.84
5. Step 5: Solve for x
   x = 64,940,799.84/9,132.12
6. Step 6: Final answer
   x = 7,111.25