Finding the Fourth Proportional to 1,434,024.55, 2,151,096.18 and 423,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,024.55 : 2,151,096.18 = 423,146.50 : x
2. Step 2: Convert to fraction form
   1,434,024.55/2,151,096.18 = 423,146.50/x
3. Step 3: Cross multiply
   1,434,024.55x = 2,151,096.18 × 423,146.50
4. Step 4: Simplify right side
   1,434,024.55x = 910,228,819,730.37
5. Step 5: Solve for x
   x = 910,228,819,730.37/1,434,024.55
6. Step 6: Final answer
   x = 634,737.26