Finding the Fourth Proportional to 79,776.96, 110,090.76 and 43,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,776.96 : 110,090.76 = 43,478.72 : x
2. Step 2: Convert to fraction form
   79,776.96/110,090.76 = 43,478.72/x
3. Step 3: Cross multiply
   79,776.96x = 110,090.76 × 43,478.72
4. Step 4: Simplify right side
   79,776.96x = 4,786,605,328.63
5. Step 5: Solve for x
   x = 4,786,605,328.63/79,776.96
6. Step 6: Final answer
   x = 59,999.85