Finding the Fourth Proportional to 64,986.02, 89,670.56 and 36,691.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,986.02 : 89,670.56 = 36,691.10 : x
2. Step 2: Convert to fraction form
   64,986.02/89,670.56 = 36,691.10/x
3. Step 3: Cross multiply
   64,986.02x = 89,670.56 × 36,691.10
4. Step 4: Simplify right side
   64,986.02x = 3,290,111,484.02
5. Step 5: Solve for x
   x = 3,290,111,484.02/64,986.02
6. Step 6: Final answer
   x = 50,627.99