Finding the Fourth Proportional to 273,758.79, 410,638.17 and 103,012.59

Step by Step Solution

1. Step 1: Write the proportion equation
   273,758.79 : 410,638.17 = 103,012.59 : x
2. Step 2: Convert to fraction form
   273,758.79/410,638.17 = 103,012.59/x
3. Step 3: Cross multiply
   273,758.79x = 410,638.17 × 103,012.59
4. Step 4: Simplify right side
   273,758.79x = 42,300,901,444.56
5. Step 5: Solve for x
   x = 42,300,901,444.56/273,758.79
6. Step 6: Final answer
   x = 154,518.88