Finding the Fourth Proportional to 139,117, 191,981.46 and 79,501

Step by Step Solution

1. Step 1: Write the proportion equation
   139,117 : 191,981.46 = 79,501 : x
2. Step 2: Convert to fraction form
   139,117/191,981.46 = 79,501/x
3. Step 3: Cross multiply
   139,117x = 191,981.46 × 79,501
4. Step 4: Simplify right side
   139,117x = 15,262,718,051.46
5. Step 5: Solve for x
   x = 15,262,718,051.46/139,117
6. Step 6: Final answer
   x = 109,711.38