Finding the Fourth Proportional to 90,334.42, 124,704.83 and 63,499.93

Step by Step Solution

1. Step 1: Write the proportion equation
   90,334.42 : 124,704.83 = 63,499.93 : x
2. Step 2: Convert to fraction form
   90,334.42/124,704.83 = 63,499.93/x
3. Step 3: Cross multiply
   90,334.42x = 124,704.83 × 63,499.93
4. Step 4: Simplify right side
   90,334.42x = 7,918,747,822.65
5. Step 5: Solve for x
   x = 7,918,747,822.65/90,334.42
6. Step 6: Final answer
   x = 87,660.36