Finding the Fourth Proportional to 105,004.10, 157,506.15 and 49,708.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,004.10 : 157,506.15 = 49,708.10 : x
2. Step 2: Convert to fraction form
   105,004.10/157,506.15 = 49,708.10/x
3. Step 3: Cross multiply
   105,004.10x = 157,506.15 × 49,708.10
4. Step 4: Simplify right side
   105,004.10x = 7,829,331,454.82
5. Step 5: Solve for x
   x = 7,829,331,454.82/105,004.10
6. Step 6: Final answer
   x = 74,562.15