Finding the Fourth Proportional to 1,598,667.32, 2,399,708.06 and 688,300.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598,667.32 : 2,399,708.06 = 688,300.63 : x
2. Step 2: Convert to fraction form
   1,598,667.32/2,399,708.06 = 688,300.63/x
3. Step 3: Cross multiply
   1,598,667.32x = 2,399,708.06 × 688,300.63
4. Step 4: Simplify right side
   1,598,667.32x = 1,651,720,569,514.08
5. Step 5: Solve for x
   x = 1,651,720,569,514.08/1,598,667.32
6. Step 6: Final answer
   x = 1,033,185.92