Finding the Fourth Proportional to 32,985.02, 49,521.31 and 31,847.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,985.02 : 49,521.31 = 31,847.78 : x
2. Step 2: Convert to fraction form
   32,985.02/49,521.31 = 31,847.78/x
3. Step 3: Cross multiply
   32,985.02x = 49,521.31 × 31,847.78
4. Step 4: Simplify right side
   32,985.02x = 1,577,143,830.38
5. Step 5: Solve for x
   x = 1,577,143,830.38/32,985.02
6. Step 6: Final answer
   x = 47,813.94