Finding the Fourth Proportional to 53,513.34, 80,215.24 and 34,830.90

Step by Step Solution

1. Step 1: Write the proportion equation
   53,513.34 : 80,215.24 = 34,830.90 : x
2. Step 2: Convert to fraction form
   53,513.34/80,215.24 = 34,830.90/x
3. Step 3: Cross multiply
   53,513.34x = 80,215.24 × 34,830.90
4. Step 4: Simplify right side
   53,513.34x = 2,793,969,002.92
5. Step 5: Solve for x
   x = 2,793,969,002.92/53,513.34
6. Step 6: Final answer
   x = 52,210.70