Finding the Fourth Proportional to 249,075.30, 343,619.91 and 163,055.34

Step by Step Solution

1. Step 1: Write the proportion equation
   249,075.30 : 343,619.91 = 163,055.34 : x
2. Step 2: Convert to fraction form
   249,075.30/343,619.91 = 163,055.34/x
3. Step 3: Cross multiply
   249,075.30x = 343,619.91 × 163,055.34
4. Step 4: Simplify right side
   249,075.30x = 56,029,061,255.82
5. Step 5: Solve for x
   x = 56,029,061,255.82/249,075.30
6. Step 6: Final answer
   x = 224,948.28