Finding the Fourth Proportional to 90,663.82, 125,075.82 and 60,419.68

Step by Step Solution

1. Step 1: Write the proportion equation
   90,663.82 : 125,075.82 = 60,419.68 : x
2. Step 2: Convert to fraction form
   90,663.82/125,075.82 = 60,419.68/x
3. Step 3: Cross multiply
   90,663.82x = 125,075.82 × 60,419.68
4. Step 4: Simplify right side
   90,663.82x = 7,557,041,020.14
5. Step 5: Solve for x
   x = 7,557,041,020.14/90,663.82
6. Step 6: Final answer
   x = 83,352.33