Finding the Fourth Proportional to 83,564.55, 115,319.61 and 47,755.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,564.55 : 115,319.61 = 47,755.89 : x
2. Step 2: Convert to fraction form
   83,564.55/115,319.61 = 47,755.89/x
3. Step 3: Cross multiply
   83,564.55x = 115,319.61 × 47,755.89
4. Step 4: Simplify right side
   83,564.55x = 5,507,190,610.00
5. Step 5: Solve for x
   x = 5,507,190,610.00/83,564.55
6. Step 6: Final answer
   x = 65,903.43