Finding the Fourth Proportional to 69,760.34, 104,638.17 and 30,317.45

Step by Step Solution

1. Step 1: Write the proportion equation
   69,760.34 : 104,638.17 = 30,317.45 : x
2. Step 2: Convert to fraction form
   69,760.34/104,638.17 = 30,317.45/x
3. Step 3: Cross multiply
   69,760.34x = 104,638.17 × 30,317.45
4. Step 4: Simplify right side
   69,760.34x = 3,172,362,748.66
5. Step 5: Solve for x
   x = 3,172,362,748.66/69,760.34
6. Step 6: Final answer
   x = 45,475.17