Finding the Fourth Proportional to 347,098, 478,995.72 and 188,122

Step by Step Solution

1. Step 1: Write the proportion equation
   347,098 : 478,995.72 = 188,122 : x
2. Step 2: Convert to fraction form
   347,098/478,995.72 = 188,122/x
3. Step 3: Cross multiply
   347,098x = 478,995.72 × 188,122
4. Step 4: Simplify right side
   347,098x = 90,109,632,837.84
5. Step 5: Solve for x
   x = 90,109,632,837.84/347,098
6. Step 6: Final answer
   x = 259,608.62