Finding the Fourth Proportional to 1,035,700.24, 1,554,154.20 and 436,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035,700.24 : 1,554,154.20 = 436,624.72 : x
2. Step 2: Convert to fraction form
   1,035,700.24/1,554,154.20 = 436,624.72/x
3. Step 3: Cross multiply
   1,035,700.24x = 1,554,154.20 × 436,624.72
4. Step 4: Simplify right side
   1,035,700.24x = 678,582,142,411.82
5. Step 5: Solve for x
   x = 678,582,142,411.82/1,035,700.24
6. Step 6: Final answer
   x = 655,191.64