Finding the Fourth Proportional to 87,345.09, 120,535.62 and 49,619.34

Step by Step Solution

1. Step 1: Write the proportion equation
   87,345.09 : 120,535.62 = 49,619.34 : x
2. Step 2: Convert to fraction form
   87,345.09/120,535.62 = 49,619.34/x
3. Step 3: Cross multiply
   87,345.09x = 120,535.62 × 49,619.34
4. Step 4: Simplify right side
   87,345.09x = 5,980,897,910.89
5. Step 5: Solve for x
   x = 5,980,897,910.89/87,345.09
6. Step 6: Final answer
   x = 68,474.35