Finding the Fourth Proportional to 224,343.49, 309,538.61 and 137,106.34

Step by Step Solution

1. Step 1: Write the proportion equation
   224,343.49 : 309,538.61 = 137,106.34 : x
2. Step 2: Convert to fraction form
   224,343.49/309,538.61 = 137,106.34/x
3. Step 3: Cross multiply
   224,343.49x = 309,538.61 × 137,106.34
4. Step 4: Simplify right side
   224,343.49x = 42,439,704,960.56
5. Step 5: Solve for x
   x = 42,439,704,960.56/224,343.49
6. Step 6: Final answer
   x = 189,172.89