Finding the Fourth Proportional to 139,803.06, 209,705.25 and 59,829.33

Step by Step Solution

1. Step 1: Write the proportion equation
   139,803.06 : 209,705.25 = 59,829.33 : x
2. Step 2: Convert to fraction form
   139,803.06/209,705.25 = 59,829.33/x
3. Step 3: Cross multiply
   139,803.06x = 209,705.25 × 59,829.33
4. Step 4: Simplify right side
   139,803.06x = 12,546,525,615.74
5. Step 5: Solve for x
   x = 12,546,525,615.74/139,803.06
6. Step 6: Final answer
   x = 89,744.28