Finding the Fourth Proportional to 39,061.58, 58,595.42 and 12,768.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,061.58 : 58,595.42 = 12,768.98 : x
2. Step 2: Convert to fraction form
   39,061.58/58,595.42 = 12,768.98/x
3. Step 3: Cross multiply
   39,061.58x = 58,595.42 × 12,768.98
4. Step 4: Simplify right side
   39,061.58x = 748,203,746.07
5. Step 5: Solve for x
   x = 748,203,746.07/39,061.58
6. Step 6: Final answer
   x = 19,154.47