Finding the Fourth Proportional to 83,405.90, 115,108.43 and 47,601.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,405.90 : 115,108.43 = 47,601.34 : x
2. Step 2: Convert to fraction form
   83,405.90/115,108.43 = 47,601.34/x
3. Step 3: Cross multiply
   83,405.90x = 115,108.43 × 47,601.34
4. Step 4: Simplify right side
   83,405.90x = 5,479,314,987.52
5. Step 5: Solve for x
   x = 5,479,314,987.52/83,405.90
6. Step 6: Final answer
   x = 65,694.57