Finding the Fourth Proportional to 1,111,754.98, 1,667,614.86 and 353,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,754.98 : 1,667,614.86 = 353,585.50 : x
2. Step 2: Convert to fraction form
   1,111,754.98/1,667,614.86 = 353,585.50/x
3. Step 3: Cross multiply
   1,111,754.98x = 1,667,614.86 × 353,585.50
4. Step 4: Simplify right side
   1,111,754.98x = 589,644,434,080.53
5. Step 5: Solve for x
   x = 589,644,434,080.53/1,111,754.98
6. Step 6: Final answer
   x = 530,372.65