Finding the Fourth Proportional to 39,667.76, 59,501.86 and 13,372.74

Step by Step Solution

1. Step 1: Write the proportion equation
   39,667.76 : 59,501.86 = 13,372.74 : x
2. Step 2: Convert to fraction form
   39,667.76/59,501.86 = 13,372.74/x
3. Step 3: Cross multiply
   39,667.76x = 59,501.86 × 13,372.74
4. Step 4: Simplify right side
   39,667.76x = 795,702,903.30
5. Step 5: Solve for x
   x = 795,702,903.30/39,667.76
6. Step 6: Final answer
   x = 20,059.18