Finding the Fourth Proportional to 51,123.55, 76,673.40 and 19,522.01

Step by Step Solution

1. Step 1: Write the proportion equation
   51,123.55 : 76,673.40 = 19,522.01 : x
2. Step 2: Convert to fraction form
   51,123.55/76,673.40 = 19,522.01/x
3. Step 3: Cross multiply
   51,123.55x = 76,673.40 × 19,522.01
4. Step 4: Simplify right side
   51,123.55x = 1,496,818,881.53
5. Step 5: Solve for x
   x = 1,496,818,881.53/51,123.55
6. Step 6: Final answer
   x = 29,278.46