Finding the Fourth Proportional to 93,428.21, 140,074.43 and 37,251.47

Step by Step Solution

1. Step 1: Write the proportion equation
   93,428.21 : 140,074.43 = 37,251.47 : x
2. Step 2: Convert to fraction form
   93,428.21/140,074.43 = 37,251.47/x
3. Step 3: Cross multiply
   93,428.21x = 140,074.43 × 37,251.47
4. Step 4: Simplify right side
   93,428.21x = 5,217,978,426.91
5. Step 5: Solve for x
   x = 5,217,978,426.91/93,428.21
6. Step 6: Final answer
   x = 55,850.14