Finding the Fourth Proportional to 66,460.34, 91,720.73 and 37,789

Step by Step Solution

1. Step 1: Write the proportion equation
   66,460.34 : 91,720.73 = 37,789 : x
2. Step 2: Convert to fraction form
   66,460.34/91,720.73 = 37,789/x
3. Step 3: Cross multiply
   66,460.34x = 91,720.73 × 37,789
4. Step 4: Simplify right side
   66,460.34x = 3,466,034,665.97
5. Step 5: Solve for x
   x = 3,466,034,665.97/66,460.34
6. Step 6: Final answer
   x = 52,151.92