Finding the Fourth Proportional to 66,301.29, 91,488.89 and 37,611.81

Step by Step Solution

1. Step 1: Write the proportion equation
   66,301.29 : 91,488.89 = 37,611.81 : x
2. Step 2: Convert to fraction form
   66,301.29/91,488.89 = 37,611.81/x
3. Step 3: Cross multiply
   66,301.29x = 91,488.89 × 37,611.81
4. Step 4: Simplify right side
   66,301.29x = 3,441,062,559.73
5. Step 5: Solve for x
   x = 3,441,062,559.73/66,301.29
6. Step 6: Final answer
   x = 51,900.39