Finding the Fourth Proportional to 83,561.90, 115,323.71 and 47,757.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,561.90 : 115,323.71 = 47,757.06 : x
2. Step 2: Convert to fraction form
   83,561.90/115,323.71 = 47,757.06/x
3. Step 3: Cross multiply
   83,561.90x = 115,323.71 × 47,757.06
4. Step 4: Simplify right side
   83,561.90x = 5,507,521,099.11
5. Step 5: Solve for x
   x = 5,507,521,099.11/83,561.90
6. Step 6: Final answer
   x = 65,909.48