Finding the Fourth Proportional to 314,058.69, 471,081.96 and 89,420.58

Step by Step Solution

1. Step 1: Write the proportion equation
   314,058.69 : 471,081.96 = 89,420.58 : x
2. Step 2: Convert to fraction form
   314,058.69/471,081.96 = 89,420.58/x
3. Step 3: Cross multiply
   314,058.69x = 471,081.96 × 89,420.58
4. Step 4: Simplify right side
   314,058.69x = 42,124,422,090.74
5. Step 5: Solve for x
   x = 42,124,422,090.74/314,058.69
6. Step 6: Final answer
   x = 134,129.14