Finding the Fourth Proportional to 66,021, 91,109.13 and 37,726.62

Step by Step Solution

1. Step 1: Write the proportion equation
   66,021 : 91,109.13 = 37,726.62 : x
2. Step 2: Convert to fraction form
   66,021/91,109.13 = 37,726.62/x
3. Step 3: Cross multiply
   66,021x = 91,109.13 × 37,726.62
4. Step 4: Simplify right side
   66,021x = 3,437,239,526.04
5. Step 5: Solve for x
   x = 3,437,239,526.04/66,021
6. Step 6: Final answer
   x = 52,062.82