Finding the Fourth Proportional to 1,108,538.73, 1,529,797.50 and 672,830.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,538.73 : 1,529,797.50 = 672,830.01 : x
2. Step 2: Convert to fraction form
   1,108,538.73/1,529,797.50 = 672,830.01/x
3. Step 3: Cross multiply
   1,108,538.73x = 1,529,797.50 × 672,830.01
4. Step 4: Simplify right side
   1,108,538.73x = 1,029,293,667,222.98
5. Step 5: Solve for x
   x = 1,029,293,667,222.98/1,108,538.73
6. Step 6: Final answer
   x = 928,513.94