Finding the Fourth Proportional to 309,878.41, 464,970.72 and 183,513.55

Step by Step Solution

1. Step 1: Write the proportion equation
   309,878.41 : 464,970.72 = 183,513.55 : x
2. Step 2: Convert to fraction form
   309,878.41/464,970.72 = 183,513.55/x
3. Step 3: Cross multiply
   309,878.41x = 464,970.72 × 183,513.55
4. Step 4: Simplify right side
   309,878.41x = 85,328,427,473.26
5. Step 5: Solve for x
   x = 85,328,427,473.26/309,878.41
6. Step 6: Final answer
   x = 275,361.00