Finding the Fourth Proportional to 59,769.63, 89,408.21 and 53,110.35

Step by Step Solution

1. Step 1: Write the proportion equation
   59,769.63 : 89,408.21 = 53,110.35 : x
2. Step 2: Convert to fraction form
   59,769.63/89,408.21 = 53,110.35/x
3. Step 3: Cross multiply
   59,769.63x = 89,408.21 × 53,110.35
4. Step 4: Simplify right side
   59,769.63x = 4,748,501,060.42
5. Step 5: Solve for x
   x = 4,748,501,060.42/59,769.63
6. Step 6: Final answer
   x = 79,446.72