Finding the Fourth Proportional to 12,932.46, 17,848.72 and 7,899.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.46 : 17,848.72 = 7,899.60 : x
2. Step 2: Convert to fraction form
   12,932.46/17,848.72 = 7,899.60/x
3. Step 3: Cross multiply
   12,932.46x = 17,848.72 × 7,899.60
4. Step 4: Simplify right side
   12,932.46x = 140,997,748.51
5. Step 5: Solve for x
   x = 140,997,748.51/12,932.46
6. Step 6: Final answer
   x = 10,902.62