Finding the Fourth Proportional to 66,323.32, 91,510.42 and 37,636.60

Step by Step Solution

1. Step 1: Write the proportion equation
   66,323.32 : 91,510.42 = 37,636.60 : x
2. Step 2: Convert to fraction form
   66,323.32/91,510.42 = 37,636.60/x
3. Step 3: Cross multiply
   66,323.32x = 91,510.42 × 37,636.60
4. Step 4: Simplify right side
   66,323.32x = 3,444,141,073.37
5. Step 5: Solve for x
   x = 3,444,141,073.37/66,323.32
6. Step 6: Final answer
   x = 51,929.56