Finding the Fourth Proportional to 1,105,188, 1,657,782 and 357,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,188 : 1,657,782 = 357,234 : x
2. Step 2: Convert to fraction form
   1,105,188/1,657,782 = 357,234/x
3. Step 3: Cross multiply
   1,105,188x = 1,657,782 × 357,234
4. Step 4: Simplify right side
   1,105,188x = 592,216,094,988
5. Step 5: Solve for x
   x = 592,216,094,988/1,105,188
6. Step 6: Final answer
   x = 535,851