Finding the Fourth Proportional to 636,837.59, 955,103.30 and 187,436.43

Step by Step Solution

1. Step 1: Write the proportion equation
   636,837.59 : 955,103.30 = 187,436.43 : x
2. Step 2: Convert to fraction form
   636,837.59/955,103.30 = 187,436.43/x
3. Step 3: Cross multiply
   636,837.59x = 955,103.30 × 187,436.43
4. Step 4: Simplify right side
   636,837.59x = 179,021,152,598.92
5. Step 5: Solve for x
   x = 179,021,152,598.92/636,837.59
6. Step 6: Final answer
   x = 281,109.59