Finding the Fourth Proportional to 164,410.46, 226,886.76 and 91,813

Step by Step Solution

1. Step 1: Write the proportion equation
   164,410.46 : 226,886.76 = 91,813 : x
2. Step 2: Convert to fraction form
   164,410.46/226,886.76 = 91,813/x
3. Step 3: Cross multiply
   164,410.46x = 226,886.76 × 91,813
4. Step 4: Simplify right side
   164,410.46x = 20,831,154,095.88
5. Step 5: Solve for x
   x = 20,831,154,095.88/164,410.46
6. Step 6: Final answer
   x = 126,702.12