Finding the Fourth Proportional to 34,389.25, 47,457.89 and 19,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,389.25 : 47,457.89 = 19,485.25 : x
2. Step 2: Convert to fraction form
   34,389.25/47,457.89 = 19,485.25/x
3. Step 3: Cross multiply
   34,389.25x = 47,457.89 × 19,485.25
4. Step 4: Simplify right side
   34,389.25x = 924,728,851.12
5. Step 5: Solve for x
   x = 924,728,851.12/34,389.25
6. Step 6: Final answer
   x = 26,890.06