Finding the Fourth Proportional to 99,467.82, 137,294.58 and 65,017.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,467.82 : 137,294.58 = 65,017.56 : x
2. Step 2: Convert to fraction form
   99,467.82/137,294.58 = 65,017.56/x
3. Step 3: Cross multiply
   99,467.82x = 137,294.58 × 65,017.56
4. Step 4: Simplify right side
   99,467.82x = 8,926,558,592.82
5. Step 5: Solve for x
   x = 8,926,558,592.82/99,467.82
6. Step 6: Final answer
   x = 89,743.18