Finding the Fourth Proportional to 66,039.32, 91,112.07 and 37,724.96

Step by Step Solution

1. Step 1: Write the proportion equation
   66,039.32 : 91,112.07 = 37,724.96 : x
2. Step 2: Convert to fraction form
   66,039.32/91,112.07 = 37,724.96/x
3. Step 3: Cross multiply
   66,039.32x = 91,112.07 × 37,724.96
4. Step 4: Simplify right side
   66,039.32x = 3,437,199,196.27
5. Step 5: Solve for x
   x = 3,437,199,196.27/66,039.32
6. Step 6: Final answer
   x = 52,047.77