Finding the Fourth Proportional to 231,792.06, 319,846.59 and 129,803.34

Step by Step Solution

1. Step 1: Write the proportion equation
   231,792.06 : 319,846.59 = 129,803.34 : x
2. Step 2: Convert to fraction form
   231,792.06/319,846.59 = 129,803.34/x
3. Step 3: Cross multiply
   231,792.06x = 319,846.59 × 129,803.34
4. Step 4: Simplify right side
   231,792.06x = 41,517,155,669.61
5. Step 5: Solve for x
   x = 41,517,155,669.61/231,792.06
6. Step 6: Final answer
   x = 179,113.80