Finding the Fourth Proportional to 613,910.76, 847,084.42 and 341,971.89

Step by Step Solution

1. Step 1: Write the proportion equation
   613,910.76 : 847,084.42 = 341,971.89 : x
2. Step 2: Convert to fraction form
   613,910.76/847,084.42 = 341,971.89/x
3. Step 3: Cross multiply
   613,910.76x = 847,084.42 × 341,971.89
4. Step 4: Simplify right side
   613,910.76x = 289,679,060,096.95
5. Step 5: Solve for x
   x = 289,679,060,096.95/613,910.76
6. Step 6: Final answer
   x = 471,858.58