Finding the Fourth Proportional to 139,816,141.28, 193,028,947.74 and 124,303,304.42

Step by Step Solution

1. Step 1: Write the proportion equation
   139,816,141.28 : 193,028,947.74 = 124,303,304.42 : x
2. Step 2: Convert to fraction form
   139,816,141.28/193,028,947.74 = 124,303,304.42/x
3. Step 3: Cross multiply
   139,816,141.28x = 193,028,947.74 × 124,303,304.42
4. Step 4: Simplify right side
   139,816,141.28x = 23,994,136,052,797,492
5. Step 5: Solve for x
   x = 23,994,136,052,797,492/139,816,141.28
6. Step 6: Final answer
   x = 171,612,060.19