Finding the Fourth Proportional to 309,985, 464,981.82 and 88,369

Step by Step Solution

1. Step 1: Write the proportion equation
   309,985 : 464,981.82 = 88,369 : x
2. Step 2: Convert to fraction form
   309,985/464,981.82 = 88,369/x
3. Step 3: Cross multiply
   309,985x = 464,981.82 × 88,369
4. Step 4: Simplify right side
   309,985x = 41,089,978,451.58
5. Step 5: Solve for x
   x = 41,089,978,451.58/309,985
6. Step 6: Final answer
   x = 132,554.73