Finding the Fourth Proportional to 45,315.42, 62,558.00 and 28,329.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,315.42 : 62,558.00 = 28,329.10 : x
2. Step 2: Convert to fraction form
   45,315.42/62,558.00 = 28,329.10/x
3. Step 3: Cross multiply
   45,315.42x = 62,558.00 × 28,329.10
4. Step 4: Simplify right side
   45,315.42x = 1,772,211,696.15
5. Step 5: Solve for x
   x = 1,772,211,696.15/45,315.42
6. Step 6: Final answer
   x = 39,108.36