Finding the Fourth Proportional to 89,345.48, 123,303.06 and 59,078.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,345.48 : 123,303.06 = 59,078.21 : x
2. Step 2: Convert to fraction form
   89,345.48/123,303.06 = 59,078.21/x
3. Step 3: Cross multiply
   89,345.48x = 123,303.06 × 59,078.21
4. Step 4: Simplify right side
   89,345.48x = 7,284,523,455.81
5. Step 5: Solve for x
   x = 7,284,523,455.81/89,345.48
6. Step 6: Final answer
   x = 81,532.09