Finding the Fourth Proportional to 104,561.10, 156,784.05 and 34,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   104,561.10 : 156,784.05 = 34,404.30 : x
2. Step 2: Convert to fraction form
   104,561.10/156,784.05 = 34,404.30/x
3. Step 3: Cross multiply
   104,561.10x = 156,784.05 × 34,404.30
4. Step 4: Simplify right side
   104,561.10x = 5,394,045,491.42
5. Step 5: Solve for x
   x = 5,394,045,491.42/104,561.10
6. Step 6: Final answer
   x = 51,587.50