Finding the Fourth Proportional to 35,570.56, 48,945.72 and 34,488.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,570.56 : 48,945.72 = 34,488.40 : x
2. Step 2: Convert to fraction form
   35,570.56/48,945.72 = 34,488.40/x
3. Step 3: Cross multiply
   35,570.56x = 48,945.72 × 34,488.40
4. Step 4: Simplify right side
   35,570.56x = 1,688,059,569.65
5. Step 5: Solve for x
   x = 1,688,059,569.65/35,570.56
6. Step 6: Final answer
   x = 47,456.65