Finding the Fourth Proportional to 224,248.69, 309,491.04 and 128,753.34

Step by Step Solution

1. Step 1: Write the proportion equation
   224,248.69 : 309,491.04 = 128,753.34 : x
2. Step 2: Convert to fraction form
   224,248.69/309,491.04 = 128,753.34/x
3. Step 3: Cross multiply
   224,248.69x = 309,491.04 × 128,753.34
4. Step 4: Simplify right side
   224,248.69x = 39,848,005,100.07
5. Step 5: Solve for x
   x = 39,848,005,100.07/224,248.69
6. Step 6: Final answer
   x = 177,695.60