Finding the Fourth Proportional to 67,561.50, 93,256.74 and 42,411

Step by Step Solution

1. Step 1: Write the proportion equation
   67,561.50 : 93,256.74 = 42,411 : x
2. Step 2: Convert to fraction form
   67,561.50/93,256.74 = 42,411/x
3. Step 3: Cross multiply
   67,561.50x = 93,256.74 × 42,411
4. Step 4: Simplify right side
   67,561.50x = 3,955,111,600.14
5. Step 5: Solve for x
   x = 3,955,111,600.14/67,561.50
6. Step 6: Final answer
   x = 58,540.91