Finding the Fourth Proportional to 1,426,185.48, 2,138,826.30 and 466,419.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,185.48 : 2,138,826.30 = 466,419.30 : x
2. Step 2: Convert to fraction form
   1,426,185.48/2,138,826.30 = 466,419.30/x
3. Step 3: Cross multiply
   1,426,185.48x = 2,138,826.30 × 466,419.30
4. Step 4: Simplify right side
   1,426,185.48x = 997,589,865,667.59
5. Step 5: Solve for x
   x = 997,589,865,667.59/1,426,185.48
6. Step 6: Final answer
   x = 699,481.15