Finding the Fourth Proportional to 65,048.09, 89,658.96 and 43,530.17

Step by Step Solution

1. Step 1: Write the proportion equation
   65,048.09 : 89,658.96 = 43,530.17 : x
2. Step 2: Convert to fraction form
   65,048.09/89,658.96 = 43,530.17/x
3. Step 3: Cross multiply
   65,048.09x = 89,658.96 × 43,530.17
4. Step 4: Simplify right side
   65,048.09x = 3,902,869,770.82
5. Step 5: Solve for x
   x = 3,902,869,770.82/65,048.09
6. Step 6: Final answer
   x = 59,999.76