Finding the Fourth Proportional to 32,575.31, 48,863.45 and 12,853.69

Step by Step Solution

1. Step 1: Write the proportion equation
   32,575.31 : 48,863.45 = 12,853.69 : x
2. Step 2: Convert to fraction form
   32,575.31/48,863.45 = 12,853.69/x
3. Step 3: Cross multiply
   32,575.31x = 48,863.45 × 12,853.69
4. Step 4: Simplify right side
   32,575.31x = 628,075,548.61
5. Step 5: Solve for x
   x = 628,075,548.61/32,575.31
6. Step 6: Final answer
   x = 19,280.72