Finding the Fourth Proportional to 342,058.77, 472,037.91 and 189,100.91

Step by Step Solution

1. Step 1: Write the proportion equation
   342,058.77 : 472,037.91 = 189,100.91 : x
2. Step 2: Convert to fraction form
   342,058.77/472,037.91 = 189,100.91/x
3. Step 3: Cross multiply
   342,058.77x = 472,037.91 × 189,100.91
4. Step 4: Simplify right side
   342,058.77x = 89,262,798,335.50
5. Step 5: Solve for x
   x = 89,262,798,335.50/342,058.77
6. Step 6: Final answer
   x = 260,957.49