Finding the Fourth Proportional to 31,773.42, 47,651.00 and 12,798

Step by Step Solution

1. Step 1: Write the proportion equation
   31,773.42 : 47,651.00 = 12,798 : x
2. Step 2: Convert to fraction form
   31,773.42/47,651.00 = 12,798/x
3. Step 3: Cross multiply
   31,773.42x = 47,651.00 × 12,798
4. Step 4: Simplify right side
   31,773.42x = 609,837,434.01
5. Step 5: Solve for x
   x = 609,837,434.01/31,773.42
6. Step 6: Final answer
   x = 19,193.32