Finding the Fourth Proportional to 139,150.85, 208,675.94 and 59,194.13

Step by Step Solution

1. Step 1: Write the proportion equation
   139,150.85 : 208,675.94 = 59,194.13 : x
2. Step 2: Convert to fraction form
   139,150.85/208,675.94 = 59,194.13/x
3. Step 3: Cross multiply
   139,150.85x = 208,675.94 × 59,194.13
4. Step 4: Simplify right side
   139,150.85x = 12,352,390,720.23
5. Step 5: Solve for x
   x = 12,352,390,720.23/139,150.85
6. Step 6: Final answer
   x = 88,769.78