Finding the Fourth Proportional to 978,189.49, 1,349,915.30 and 590,951.08

Step by Step Solution

1. Step 1: Write the proportion equation
   978,189.49 : 1,349,915.30 = 590,951.08 : x
2. Step 2: Convert to fraction form
   978,189.49/1,349,915.30 = 590,951.08/x
3. Step 3: Cross multiply
   978,189.49x = 1,349,915.30 × 590,951.08
4. Step 4: Simplify right side
   978,189.49x = 797,733,904,443.52
5. Step 5: Solve for x
   x = 797,733,904,443.52/978,189.49
6. Step 6: Final answer
   x = 815,520.83