Finding the Fourth Proportional to 224,359.86, 336,530.46 and 91,235

Step by Step Solution

1. Step 1: Write the proportion equation
   224,359.86 : 336,530.46 = 91,235 : x
2. Step 2: Convert to fraction form
   224,359.86/336,530.46 = 91,235/x
3. Step 3: Cross multiply
   224,359.86x = 336,530.46 × 91,235
4. Step 4: Simplify right side
   224,359.86x = 30,703,356,518.10
5. Step 5: Solve for x
   x = 30,703,356,518.10/224,359.86
6. Step 6: Final answer
   x = 136,848.71