Finding the Fourth Proportional to 1,446,123.59, 2,168,748.65 and 434,977.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,123.59 : 2,168,748.65 = 434,977.12 : x
2. Step 2: Convert to fraction form
   1,446,123.59/2,168,748.65 = 434,977.12/x
3. Step 3: Cross multiply
   1,446,123.59x = 2,168,748.65 × 434,977.12
4. Step 4: Simplify right side
   1,446,123.59x = 943,356,041,780.89
5. Step 5: Solve for x
   x = 943,356,041,780.89/1,446,123.59
6. Step 6: Final answer
   x = 652,334.32