Finding the Fourth Proportional to 249,468.50, 374,483.18 and 99,814.37

Step by Step Solution

1. Step 1: Write the proportion equation
   249,468.50 : 374,483.18 = 99,814.37 : x
2. Step 2: Convert to fraction form
   249,468.50/374,483.18 = 99,814.37/x
3. Step 3: Cross multiply
   249,468.50x = 374,483.18 × 99,814.37
4. Step 4: Simplify right side
   249,468.50x = 37,378,800,315.81
5. Step 5: Solve for x
   x = 37,378,800,315.81/249,468.50
6. Step 6: Final answer
   x = 149,833.75