Finding the Fourth Proportional to 53,061.42, 79,586.04 and 19,782.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,061.42 : 79,586.04 = 19,782.56 : x
2. Step 2: Convert to fraction form
   53,061.42/79,586.04 = 19,782.56/x
3. Step 3: Cross multiply
   53,061.42x = 79,586.04 × 19,782.56
4. Step 4: Simplify right side
   53,061.42x = 1,574,415,611.46
5. Step 5: Solve for x
   x = 1,574,415,611.46/53,061.42
6. Step 6: Final answer
   x = 29,671.57