Finding the Fourth Proportional to 59,320, 81,859.20 and 35,459.86

Step by Step Solution

1. Step 1: Write the proportion equation
   59,320 : 81,859.20 = 35,459.86 : x
2. Step 2: Convert to fraction form
   59,320/81,859.20 = 35,459.86/x
3. Step 3: Cross multiply
   59,320x = 81,859.20 × 35,459.86
4. Step 4: Simplify right side
   59,320x = 2,902,715,771.71
5. Step 5: Solve for x
   x = 2,902,715,771.71/59,320
6. Step 6: Final answer
   x = 48,933.17