Finding the Fourth Proportional to 1,624,147.74, 2,434,689.50 and 558,444.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624,147.74 : 2,434,689.50 = 558,444.51 : x
2. Step 2: Convert to fraction form
   1,624,147.74/2,434,689.50 = 558,444.51/x
3. Step 3: Cross multiply
   1,624,147.74x = 2,434,689.50 × 558,444.51
4. Step 4: Simplify right side
   1,624,147.74x = 1,359,638,982,037.42
5. Step 5: Solve for x
   x = 1,359,638,982,037.42/1,624,147.74
6. Step 6: Final answer
   x = 837,139.96