Finding the Fourth Proportional to 249,667.31, 344,496.59 and 147,697.07

Step by Step Solution

1. Step 1: Write the proportion equation
   249,667.31 : 344,496.59 = 147,697.07 : x
2. Step 2: Convert to fraction form
   249,667.31/344,496.59 = 147,697.07/x
3. Step 3: Cross multiply
   249,667.31x = 344,496.59 × 147,697.07
4. Step 4: Simplify right side
   249,667.31x = 50,881,135,614.75
5. Step 5: Solve for x
   x = 50,881,135,614.75/249,667.31
6. Step 6: Final answer
   x = 203,795.75