Finding the Fourth Proportional to 9,261.35, 12,780.56 and 5,012.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,261.35 : 12,780.56 = 5,012.32 : x
2. Step 2: Convert to fraction form
   9,261.35/12,780.56 = 5,012.32/x
3. Step 3: Cross multiply
   9,261.35x = 12,780.56 × 5,012.32
4. Step 4: Simplify right side
   9,261.35x = 64,060,285.01
5. Step 5: Solve for x
   x = 64,060,285.01/9,261.35
6. Step 6: Final answer
   x = 6,916.95