Finding the Fourth Proportional to 67,644.21, 93,345.72 and 37,428.99

Step by Step Solution

1. Step 1: Write the proportion equation
   67,644.21 : 93,345.72 = 37,428.99 : x
2. Step 2: Convert to fraction form
   67,644.21/93,345.72 = 37,428.99/x
3. Step 3: Cross multiply
   67,644.21x = 93,345.72 × 37,428.99
4. Step 4: Simplify right side
   67,644.21x = 3,493,835,530.02
5. Step 5: Solve for x
   x = 3,493,835,530.02/67,644.21
6. Step 6: Final answer
   x = 51,650.18