Finding the Fourth Proportional to 67,748.58, 93,489.30 and 37,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,748.58 : 93,489.30 = 37,531.50 : x
2. Step 2: Convert to fraction form
   67,748.58/93,489.30 = 37,531.50/x
3. Step 3: Cross multiply
   67,748.58x = 93,489.30 × 37,531.50
4. Step 4: Simplify right side
   67,748.58x = 3,508,793,662.95
5. Step 5: Solve for x
   x = 3,508,793,662.95/67,748.58
6. Step 6: Final answer
   x = 51,791.40