Finding the Fourth Proportional to 108,058.91, 149,200.31 and 69,841.08

Step by Step Solution

1. Step 1: Write the proportion equation
   108,058.91 : 149,200.31 = 69,841.08 : x
2. Step 2: Convert to fraction form
   108,058.91/149,200.31 = 69,841.08/x
3. Step 3: Cross multiply
   108,058.91x = 149,200.31 × 69,841.08
4. Step 4: Simplify right side
   108,058.91x = 10,420,310,961.34
5. Step 5: Solve for x
   x = 10,420,310,961.34/108,058.91
6. Step 6: Final answer
   x = 96,431.77