Finding the Fourth Proportional to 202,300.46, 279,174.37 and 111,656.60

Step by Step Solution

1. Step 1: Write the proportion equation
   202,300.46 : 279,174.37 = 111,656.60 : x
2. Step 2: Convert to fraction form
   202,300.46/279,174.37 = 111,656.60/x
3. Step 3: Cross multiply
   202,300.46x = 279,174.37 × 111,656.60
4. Step 4: Simplify right side
   202,300.46x = 31,171,660,961.34
5. Step 5: Solve for x
   x = 31,171,660,961.34/202,300.46
6. Step 6: Final answer
   x = 154,085.96