Finding the Fourth Proportional to 72,086.67, 99,475.49 and 43,047.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,086.67 : 99,475.49 = 43,047.81 : x
2. Step 2: Convert to fraction form
   72,086.67/99,475.49 = 43,047.81/x
3. Step 3: Cross multiply
   72,086.67x = 99,475.49 × 43,047.81
4. Step 4: Simplify right side
   72,086.67x = 4,282,201,777.94
5. Step 5: Solve for x
   x = 4,282,201,777.94/72,086.67
6. Step 6: Final answer
   x = 59,403.52