Finding the Fourth Proportional to 452,719.71, 624,715.82 and 248,760.09

Step by Step Solution

1. Step 1: Write the proportion equation
   452,719.71 : 624,715.82 = 248,760.09 : x
2. Step 2: Convert to fraction form
   452,719.71/624,715.82 = 248,760.09/x
3. Step 3: Cross multiply
   452,719.71x = 624,715.82 × 248,760.09
4. Step 4: Simplify right side
   452,719.71x = 155,404,362,363.82
5. Step 5: Solve for x
   x = 155,404,362,363.82/452,719.71
6. Step 6: Final answer
   x = 343,268.38