Finding the Fourth Proportional to 250,729.47, 345,796.20 and 164,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,729.47 : 345,796.20 = 164,622.50 : x
2. Step 2: Convert to fraction form
   250,729.47/345,796.20 = 164,622.50/x
3. Step 3: Cross multiply
   250,729.47x = 345,796.20 × 164,622.50
4. Step 4: Simplify right side
   250,729.47x = 56,925,832,476.31
5. Step 5: Solve for x
   x = 56,925,832,476.31/250,729.47
6. Step 6: Final answer
   x = 227,040.85