Finding the Fourth Proportional to 79,145.78, 109,216.98 and 43,328.93

Step by Step Solution

1. Step 1: Write the proportion equation
   79,145.78 : 109,216.98 = 43,328.93 : x
2. Step 2: Convert to fraction form
   79,145.78/109,216.98 = 43,328.93/x
3. Step 3: Cross multiply
   79,145.78x = 109,216.98 × 43,328.93
4. Step 4: Simplify right side
   79,145.78x = 4,732,254,335.15
5. Step 5: Solve for x
   x = 4,732,254,335.15/79,145.78
6. Step 6: Final answer
   x = 59,791.62