Finding the Fourth Proportional to 66,484.89, 91,746.77 and 37,805.72

Step by Step Solution

1. Step 1: Write the proportion equation
   66,484.89 : 91,746.77 = 37,805.72 : x
2. Step 2: Convert to fraction form
   66,484.89/91,746.77 = 37,805.72/x
3. Step 3: Cross multiply
   66,484.89x = 91,746.77 × 37,805.72
4. Step 4: Simplify right side
   66,484.89x = 3,468,552,049.76
5. Step 5: Solve for x
   x = 3,468,552,049.76/66,484.89
6. Step 6: Final answer
   x = 52,170.53