Finding the Fourth Proportional to 81,433.60, 122,043.52 and 59,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,433.60 : 122,043.52 = 59,019.52 : x
2. Step 2: Convert to fraction form
   81,433.60/122,043.52 = 59,019.52/x
3. Step 3: Cross multiply
   81,433.60x = 122,043.52 × 59,019.52
4. Step 4: Simplify right side
   81,433.60x = 7,202,949,969.51
5. Step 5: Solve for x
   x = 7,202,949,969.51/81,433.60
6. Step 6: Final answer
   x = 88,451.82