Finding the Fourth Proportional to 139,116, 191,980.08 and 79,500

Step by Step Solution

1. Step 1: Write the proportion equation
   139,116 : 191,980.08 = 79,500 : x
2. Step 2: Convert to fraction form
   139,116/191,980.08 = 79,500/x
3. Step 3: Cross multiply
   139,116x = 191,980.08 × 79,500
4. Step 4: Simplify right side
   139,116x = 15,262,416,360.00
5. Step 5: Solve for x
   x = 15,262,416,360.00/139,116
6. Step 6: Final answer
   x = 109,710.00