Finding the Fourth Proportional to 83,019.18, 114,569.91 and 47,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,019.18 : 114,569.91 = 47,215.50 : x
2. Step 2: Convert to fraction form
   83,019.18/114,569.91 = 47,215.50/x
3. Step 3: Cross multiply
   83,019.18x = 114,569.91 × 47,215.50
4. Step 4: Simplify right side
   83,019.18x = 5,409,475,585.61
5. Step 5: Solve for x
   x = 5,409,475,585.61/83,019.18
6. Step 6: Final answer
   x = 65,159.35