Finding the Fourth Proportional to 172,250.06, 258,358.38 and 52,308.05

Step by Step Solution

1. Step 1: Write the proportion equation
   172,250.06 : 258,358.38 = 52,308.05 : x
2. Step 2: Convert to fraction form
   172,250.06/258,358.38 = 52,308.05/x
3. Step 3: Cross multiply
   172,250.06x = 258,358.38 × 52,308.05
4. Step 4: Simplify right side
   172,250.06x = 13,514,223,058.96
5. Step 5: Solve for x
   x = 13,514,223,058.96/172,250.06
6. Step 6: Final answer
   x = 78,457.00