Finding the Fourth Proportional to 91,866.69, 137,670.57 and 73,063.35

Step by Step Solution

1. Step 1: Write the proportion equation
   91,866.69 : 137,670.57 = 73,063.35 : x
2. Step 2: Convert to fraction form
   91,866.69/137,670.57 = 73,063.35/x
3. Step 3: Cross multiply
   91,866.69x = 137,670.57 × 73,063.35
4. Step 4: Simplify right side
   91,866.69x = 10,058,673,040.61
5. Step 5: Solve for x
   x = 10,058,673,040.61/91,866.69
6. Step 6: Final answer
   x = 109,492.06