Finding the Fourth Proportional to 66,428.37, 91,667.88 and 37,744.29

Step by Step Solution

1. Step 1: Write the proportion equation
   66,428.37 : 91,667.88 = 37,744.29 : x
2. Step 2: Convert to fraction form
   66,428.37/91,667.88 = 37,744.29/x
3. Step 3: Cross multiply
   66,428.37x = 91,667.88 × 37,744.29
4. Step 4: Simplify right side
   66,428.37x = 3,459,939,046.41
5. Step 5: Solve for x
   x = 3,459,939,046.41/66,428.37
6. Step 6: Final answer
   x = 52,085.26