Finding the Fourth Proportional to 341,111.31, 470,725.35 and 188,146.21

Step by Step Solution

1. Step 1: Write the proportion equation
   341,111.31 : 470,725.35 = 188,146.21 : x
2. Step 2: Convert to fraction form
   341,111.31/470,725.35 = 188,146.21/x
3. Step 3: Cross multiply
   341,111.31x = 470,725.35 × 188,146.21
4. Step 4: Simplify right side
   341,111.31x = 88,565,190,553.42
5. Step 5: Solve for x
   x = 88,565,190,553.42/341,111.31
6. Step 6: Final answer
   x = 259,637.22