Finding the Fourth Proportional to 67,968.23, 93,830.25 and 42,488.77

Step by Step Solution

1. Step 1: Write the proportion equation
   67,968.23 : 93,830.25 = 42,488.77 : x
2. Step 2: Convert to fraction form
   67,968.23/93,830.25 = 42,488.77/x
3. Step 3: Cross multiply
   67,968.23x = 93,830.25 × 42,488.77
4. Step 4: Simplify right side
   67,968.23x = 3,986,731,772.98
5. Step 5: Solve for x
   x = 3,986,731,772.98/67,968.23
6. Step 6: Final answer
   x = 58,655.81