Finding the Fourth Proportional to 139,151.35, 208,676.69 and 59,194.63

Step by Step Solution

1. Step 1: Write the proportion equation
   139,151.35 : 208,676.69 = 59,194.63 : x
2. Step 2: Convert to fraction form
   139,151.35/208,676.69 = 59,194.63/x
3. Step 3: Cross multiply
   139,151.35x = 208,676.69 × 59,194.63
4. Step 4: Simplify right side
   139,151.35x = 12,352,539,454.17
5. Step 5: Solve for x
   x = 12,352,539,454.17/139,151.35
6. Step 6: Final answer
   x = 88,770.53