Finding the Fourth Proportional to 59,128.96, 88,690.20 and 35,749.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,128.96 : 88,690.20 = 35,749.12 : x
2. Step 2: Convert to fraction form
   59,128.96/88,690.20 = 35,749.12/x
3. Step 3: Cross multiply
   59,128.96x = 88,690.20 × 35,749.12
4. Step 4: Simplify right side
   59,128.96x = 3,170,596,602.62
5. Step 5: Solve for x
   x = 3,170,596,602.62/59,128.96
6. Step 6: Final answer
   x = 53,621.72