Finding the Fourth Proportional to 59,381.48, 89,076.72 and 19,938.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,381.48 : 89,076.72 = 19,938.80 : x
2. Step 2: Convert to fraction form
   59,381.48/89,076.72 = 19,938.80/x
3. Step 3: Cross multiply
   59,381.48x = 89,076.72 × 19,938.80
4. Step 4: Simplify right side
   59,381.48x = 1,776,082,904.74
5. Step 5: Solve for x
   x = 1,776,082,904.74/59,381.48
6. Step 6: Final answer
   x = 29,909.71