Finding the Fourth Proportional to 80,109.74, 120,059.48 and 58,950.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,109.74 : 120,059.48 = 58,950.72 : x
2. Step 2: Convert to fraction form
   80,109.74/120,059.48 = 58,950.72/x
3. Step 3: Cross multiply
   80,109.74x = 120,059.48 × 58,950.72
4. Step 4: Simplify right side
   80,109.74x = 7,077,592,494.07
5. Step 5: Solve for x
   x = 7,077,592,494.07/80,109.74
6. Step 6: Final answer
   x = 88,348.72