Finding the Fourth Proportional to 151,313, 208,818.42 and 84,245

Step by Step Solution

1. Step 1: Write the proportion equation
   151,313 : 208,818.42 = 84,245 : x
2. Step 2: Convert to fraction form
   151,313/208,818.42 = 84,245/x
3. Step 3: Cross multiply
   151,313x = 208,818.42 × 84,245
4. Step 4: Simplify right side
   151,313x = 17,591,907,792.90
5. Step 5: Solve for x
   x = 17,591,907,792.90/151,313
6. Step 6: Final answer
   x = 116,261.71