Finding the Fourth Proportional to 368,056.86, 552,085.38 and 115,337.31

Step by Step Solution

1. Step 1: Write the proportion equation
   368,056.86 : 552,085.38 = 115,337.31 : x
2. Step 2: Convert to fraction form
   368,056.86/552,085.38 = 115,337.31/x
3. Step 3: Cross multiply
   368,056.86x = 552,085.38 × 115,337.31
4. Step 4: Simplify right side
   368,056.86x = 63,676,042,619.53
5. Step 5: Solve for x
   x = 63,676,042,619.53/368,056.86
6. Step 6: Final answer
   x = 173,005.99