Finding the Fourth Proportional to 103,259.19, 154,826.48 and 46,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,259.19 : 154,826.48 = 46,322.72 : x
2. Step 2: Convert to fraction form
   103,259.19/154,826.48 = 46,322.72/x
3. Step 3: Cross multiply
   103,259.19x = 154,826.48 × 46,322.72
4. Step 4: Simplify right side
   103,259.19x = 7,171,983,062.95
5. Step 5: Solve for x
   x = 7,171,983,062.95/103,259.19
6. Step 6: Final answer
   x = 69,456.12