Finding the Fourth Proportional to 341,300.39, 511,963.47 and 88,574.31

Step by Step Solution

1. Step 1: Write the proportion equation
   341,300.39 : 511,963.47 = 88,574.31 : x
2. Step 2: Convert to fraction form
   341,300.39/511,963.47 = 88,574.31/x
3. Step 3: Cross multiply
   341,300.39x = 511,963.47 × 88,574.31
4. Step 4: Simplify right side
   341,300.39x = 45,346,811,100.46
5. Step 5: Solve for x
   x = 45,346,811,100.46/341,300.39
6. Step 6: Final answer
   x = 132,864.81