Finding the Fourth Proportional to 597,892.16, 897,071.52 and 345,039.12

Step by Step Solution

1. Step 1: Write the proportion equation
   597,892.16 : 897,071.52 = 345,039.12 : x
2. Step 2: Convert to fraction form
   597,892.16/897,071.52 = 345,039.12/x
3. Step 3: Cross multiply
   597,892.16x = 897,071.52 × 345,039.12
4. Step 4: Simplify right side
   597,892.16x = 309,524,767,837.86
5. Step 5: Solve for x
   x = 309,524,767,837.86/597,892.16
6. Step 6: Final answer
   x = 517,693.30