Finding the Fourth Proportional to 67,567.12, 93,275.88 and 42,430.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,567.12 : 93,275.88 = 42,430.48 : x
2. Step 2: Convert to fraction form
   67,567.12/93,275.88 = 42,430.48/x
3. Step 3: Cross multiply
   67,567.12x = 93,275.88 × 42,430.48
4. Step 4: Simplify right side
   67,567.12x = 3,957,740,360.82
5. Step 5: Solve for x
   x = 3,957,740,360.82/67,567.12
6. Step 6: Final answer
   x = 58,574.95