Finding the Fourth Proportional to 49,405.75, 74,108.72 and 23,128.94

Step by Step Solution

1. Step 1: Write the proportion equation
   49,405.75 : 74,108.72 = 23,128.94 : x
2. Step 2: Convert to fraction form
   49,405.75/74,108.72 = 23,128.94/x
3. Step 3: Cross multiply
   49,405.75x = 74,108.72 × 23,128.94
4. Step 4: Simplify right side
   49,405.75x = 1,714,056,381.45
5. Step 5: Solve for x
   x = 1,714,056,381.45/49,405.75
6. Step 6: Final answer
   x = 34,693.46