Finding the Fourth Proportional to 403,359.89, 604,898.62 and 118,975.10

Step by Step Solution

1. Step 1: Write the proportion equation
   403,359.89 : 604,898.62 = 118,975.10 : x
2. Step 2: Convert to fraction form
   403,359.89/604,898.62 = 118,975.10/x
3. Step 3: Cross multiply
   403,359.89x = 604,898.62 × 118,975.10
4. Step 4: Simplify right side
   403,359.89x = 71,967,870,482.43
5. Step 5: Solve for x
   x = 71,967,870,482.43/403,359.89
6. Step 6: Final answer
   x = 178,420.99