Finding the Fourth Proportional to 59,347.90, 81,892.83 and 47,279.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,347.90 : 81,892.83 = 47,279.12 : x
2. Step 2: Convert to fraction form
   59,347.90/81,892.83 = 47,279.12/x
3. Step 3: Cross multiply
   59,347.90x = 81,892.83 × 47,279.12
4. Step 4: Simplify right side
   59,347.90x = 3,871,820,936.71
5. Step 5: Solve for x
   x = 3,871,820,936.71/59,347.90
6. Step 6: Final answer
   x = 65,239.39