Finding the Fourth Proportional to 347,065, 478,950.02 and 188,089

Step by Step Solution

1. Step 1: Write the proportion equation
   347,065 : 478,950.02 = 188,089 : x
2. Step 2: Convert to fraction form
   347,065/478,950.02 = 188,089/x
3. Step 3: Cross multiply
   347,065x = 478,950.02 × 188,089
4. Step 4: Simplify right side
   347,065x = 90,085,230,311.78
5. Step 5: Solve for x
   x = 90,085,230,311.78/347,065
6. Step 6: Final answer
   x = 259,562.99