Finding the Fourth Proportional to 72,087.67, 99,476.86 and 43,048.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,087.67 : 99,476.86 = 43,048.81 : x
2. Step 2: Convert to fraction form
   72,087.67/99,476.86 = 43,048.81/x
3. Step 3: Cross multiply
   72,087.67x = 99,476.86 × 43,048.81
4. Step 4: Simplify right side
   72,087.67x = 4,282,360,445.54
5. Step 5: Solve for x
   x = 4,282,360,445.54/72,087.67
6. Step 6: Final answer
   x = 59,404.89