Finding the Fourth Proportional to 37,667.54, 56,486.86 and 12,700.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,667.54 : 56,486.86 = 12,700.84 : x
2. Step 2: Convert to fraction form
   37,667.54/56,486.86 = 12,700.84/x
3. Step 3: Cross multiply
   37,667.54x = 56,486.86 × 12,700.84
4. Step 4: Simplify right side
   37,667.54x = 717,430,570.96
5. Step 5: Solve for x
   x = 717,430,570.96/37,667.54
6. Step 6: Final answer
   x = 19,046.39