Finding the Fourth Proportional to 42,969.99, 64,480.50 and 23,248.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,969.99 : 64,480.50 = 23,248.11 : x
2. Step 2: Convert to fraction form
   42,969.99/64,480.50 = 23,248.11/x
3. Step 3: Cross multiply
   42,969.99x = 64,480.50 × 23,248.11
4. Step 4: Simplify right side
   42,969.99x = 1,499,049,318.21
5. Step 5: Solve for x
   x = 1,499,049,318.21/42,969.99
6. Step 6: Final answer
   x = 34,885.96