Finding the Fourth Proportional to 172,869, 238,559.22 and 93,381

Step by Step Solution

1. Step 1: Write the proportion equation
   172,869 : 238,559.22 = 93,381 : x
2. Step 2: Convert to fraction form
   172,869/238,559.22 = 93,381/x
3. Step 3: Cross multiply
   172,869x = 238,559.22 × 93,381
4. Step 4: Simplify right side
   172,869x = 22,276,898,522.82
5. Step 5: Solve for x
   x = 22,276,898,522.82/172,869
6. Step 6: Final answer
   x = 128,865.78