Finding the Fourth Proportional to 59,157, 81,529.74 and 49,032.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,157 : 81,529.74 = 49,032.12 : x
2. Step 2: Convert to fraction form
   59,157/81,529.74 = 49,032.12/x
3. Step 3: Cross multiply
   59,157x = 81,529.74 × 49,032.12
4. Step 4: Simplify right side
   59,157x = 3,997,575,995.25
5. Step 5: Solve for x
   x = 3,997,575,995.25/59,157
6. Step 6: Final answer
   x = 67,575.71