Finding the Fourth Proportional to 78,990.33, 109,006.71 and 43,180.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,990.33 : 109,006.71 = 43,180.35 : x
2. Step 2: Convert to fraction form
   78,990.33/109,006.71 = 43,180.35/x
3. Step 3: Cross multiply
   78,990.33x = 109,006.71 × 43,180.35
4. Step 4: Simplify right side
   78,990.33x = 4,706,948,328.79
5. Step 5: Solve for x
   x = 4,706,948,328.79/78,990.33
6. Step 6: Final answer
   x = 59,588.92