Finding the Fourth Proportional to 139,027.10, 208,396.16 and 59,116.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,027.10 : 208,396.16 = 59,116.34 : x
2. Step 2: Convert to fraction form
   139,027.10/208,396.16 = 59,116.34/x
3. Step 3: Cross multiply
   139,027.10x = 208,396.16 × 59,116.34
4. Step 4: Simplify right side
   139,027.10x = 12,319,616,911.69
5. Step 5: Solve for x
   x = 12,319,616,911.69/139,027.10
6. Step 6: Final answer
   x = 88,613.06