Finding the Fourth Proportional to 1,005,308.78, 1,387,105.98 and 597,546.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,308.78 : 1,387,105.98 = 597,546.14 : x
2. Step 2: Convert to fraction form
   1,005,308.78/1,387,105.98 = 597,546.14/x
3. Step 3: Cross multiply
   1,005,308.78x = 1,387,105.98 × 597,546.14
4. Step 4: Simplify right side
   1,005,308.78x = 828,859,824,119.92
5. Step 5: Solve for x
   x = 828,859,824,119.92/1,005,308.78
6. Step 6: Final answer
   x = 824,482.83