Finding the Fourth Proportional to 92,578.42, 138,907.74 and 32,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,578.42 : 138,907.74 = 32,649.72 : x
2. Step 2: Convert to fraction form
   92,578.42/138,907.74 = 32,649.72/x
3. Step 3: Cross multiply
   92,578.42x = 138,907.74 × 32,649.72
4. Step 4: Simplify right side
   92,578.42x = 4,535,298,816.83
5. Step 5: Solve for x
   x = 4,535,298,816.83/92,578.42
6. Step 6: Final answer
   x = 48,988.73