Finding the Fourth Proportional to 67,570.67, 93,255.69 and 42,415.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,570.67 : 93,255.69 = 42,415.31 : x
2. Step 2: Convert to fraction form
   67,570.67/93,255.69 = 42,415.31/x
3. Step 3: Cross multiply
   67,570.67x = 93,255.69 × 42,415.31
4. Step 4: Simplify right side
   67,570.67x = 3,955,468,534.34
5. Step 5: Solve for x
   x = 3,955,468,534.34/67,570.67
6. Step 6: Final answer
   x = 58,538.25