Finding the Fourth Proportional to 64,630.67, 89,191.62 and 37,774.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,630.67 : 89,191.62 = 37,774.31 : x
2. Step 2: Convert to fraction form
   64,630.67/89,191.62 = 37,774.31/x
3. Step 3: Cross multiply
   64,630.67x = 89,191.62 × 37,774.31
4. Step 4: Simplify right side
   64,630.67x = 3,369,151,457.32
5. Step 5: Solve for x
   x = 3,369,151,457.32/64,630.67
6. Step 6: Final answer
   x = 52,129.30