Finding the Fourth Proportional to 53,026.04, 79,529.50 and 21,434.83

Step by Step Solution

1. Step 1: Write the proportion equation
   53,026.04 : 79,529.50 = 21,434.83 : x
2. Step 2: Convert to fraction form
   53,026.04/79,529.50 = 21,434.83/x
3. Step 3: Cross multiply
   53,026.04x = 79,529.50 × 21,434.83
4. Step 4: Simplify right side
   53,026.04x = 1,704,701,019.88
5. Step 5: Solve for x
   x = 1,704,701,019.88/53,026.04
6. Step 6: Final answer
   x = 32,148.37