Finding the Fourth Proportional to 452,152.39, 623,967.83 and 248,206.78

Step by Step Solution

1. Step 1: Write the proportion equation
   452,152.39 : 623,967.83 = 248,206.78 : x
2. Step 2: Convert to fraction form
   452,152.39/623,967.83 = 248,206.78/x
3. Step 3: Cross multiply
   452,152.39x = 623,967.83 × 248,206.78
4. Step 4: Simplify right side
   452,152.39x = 154,873,047,188.78
5. Step 5: Solve for x
   x = 154,873,047,188.78/452,152.39
6. Step 6: Final answer
   x = 342,524.00