Finding the Fourth Proportional to 90,063.65, 124,302.96 and 60,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,063.65 : 124,302.96 = 60,978.82 : x
2. Step 2: Convert to fraction form
   90,063.65/124,302.96 = 60,978.82/x
3. Step 3: Cross multiply
   90,063.65x = 124,302.96 × 60,978.82
4. Step 4: Simplify right side
   90,063.65x = 7,579,847,823.31
5. Step 5: Solve for x
   x = 7,579,847,823.31/90,063.65
6. Step 6: Final answer
   x = 84,161.01