Finding the Fourth Proportional to 64,774.07, 97,164.59 and 20,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   64,774.07 : 97,164.59 = 20,404.30 : x
2. Step 2: Convert to fraction form
   64,774.07/97,164.59 = 20,404.30/x
3. Step 3: Cross multiply
   64,774.07x = 97,164.59 × 20,404.30
4. Step 4: Simplify right side
   64,774.07x = 1,982,575,065.10
5. Step 5: Solve for x
   x = 1,982,575,065.10/64,774.07
6. Step 6: Final answer
   x = 30,607.54