Finding the Fourth Proportional to 249,667.55, 344,496.94 and 147,697.31

Step by Step Solution

1. Step 1: Write the proportion equation
   249,667.55 : 344,496.94 = 147,697.31 : x
2. Step 2: Convert to fraction form
   249,667.55/344,496.94 = 147,697.31/x
3. Step 3: Cross multiply
   249,667.55x = 344,496.94 × 147,697.31
4. Step 4: Simplify right side
   249,667.55x = 50,881,271,341.23
5. Step 5: Solve for x
   x = 50,881,271,341.23/249,667.55
6. Step 6: Final answer
   x = 203,796.09