Finding the Fourth Proportional to 78,886.09, 108,861.73 and 43,077.61

Step by Step Solution

1. Step 1: Write the proportion equation
   78,886.09 : 108,861.73 = 43,077.61 : x
2. Step 2: Convert to fraction form
   78,886.09/108,861.73 = 43,077.61/x
3. Step 3: Cross multiply
   78,886.09x = 108,861.73 × 43,077.61
4. Step 4: Simplify right side
   78,886.09x = 4,689,503,148.87
5. Step 5: Solve for x
   x = 4,689,503,148.87/78,886.09
6. Step 6: Final answer
   x = 59,446.52