Finding the Fourth Proportional to 308,754.34, 463,066.71 and 87,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,754.34 : 463,066.71 = 87,086.50 : x
2. Step 2: Convert to fraction form
   308,754.34/463,066.71 = 87,086.50/x
3. Step 3: Cross multiply
   308,754.34x = 463,066.71 × 87,086.50
4. Step 4: Simplify right side
   308,754.34x = 40,326,859,040.42
5. Step 5: Solve for x
   x = 40,326,859,040.42/308,754.34
6. Step 6: Final answer
   x = 130,611.47