Finding the Fourth Proportional to 359,222.07, 538,833.09 and 146,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   359,222.07 : 538,833.09 = 146,105.93 : x
2. Step 2: Convert to fraction form
   359,222.07/538,833.09 = 146,105.93/x
3. Step 3: Cross multiply
   359,222.07x = 538,833.09 × 146,105.93
4. Step 4: Simplify right side
   359,222.07x = 78,726,709,729.22
5. Step 5: Solve for x
   x = 78,726,709,729.22/359,222.07
6. Step 6: Final answer
   x = 219,158.89