Finding the Fourth Proportional to 66,066.72, 91,169.16 and 37,774.26

Step by Step Solution

1. Step 1: Write the proportion equation
   66,066.72 : 91,169.16 = 37,774.26 : x
2. Step 2: Convert to fraction form
   66,066.72/91,169.16 = 37,774.26/x
3. Step 3: Cross multiply
   66,066.72x = 91,169.16 × 37,774.26
4. Step 4: Simplify right side
   66,066.72x = 3,443,847,553.82
5. Step 5: Solve for x
   x = 3,443,847,553.82/66,066.72
6. Step 6: Final answer
   x = 52,126.81