Finding the Fourth Proportional to 456,031, 684,056.22 and 156,510.28

Step by Step Solution

1. Step 1: Write the proportion equation
   456,031 : 684,056.22 = 156,510.28 : x
2. Step 2: Convert to fraction form
   456,031/684,056.22 = 156,510.28/x
3. Step 3: Cross multiply
   456,031x = 684,056.22 × 156,510.28
4. Step 4: Simplify right side
   456,031x = 107,061,830,527.94
5. Step 5: Solve for x
   x = 107,061,830,527.94/456,031
6. Step 6: Final answer
   x = 234,768.76