Finding the Fourth Proportional to 172,065.72, 236,901.42 and 146,813.88

Step by Step Solution

1. Step 1: Write the proportion equation
   172,065.72 : 236,901.42 = 146,813.88 : x
2. Step 2: Convert to fraction form
   172,065.72/236,901.42 = 146,813.88/x
3. Step 3: Cross multiply
   172,065.72x = 236,901.42 × 146,813.88
4. Step 4: Simplify right side
   172,065.72x = 34,780,416,647.71
5. Step 5: Solve for x
   x = 34,780,416,647.71/172,065.72
6. Step 6: Final answer
   x = 202,134.49