Finding the Fourth Proportional to 1,628,012.52, 2,441,980.71 and 430,018.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,012.52 : 2,441,980.71 = 430,018.47 : x
2. Step 2: Convert to fraction form
   1,628,012.52/2,441,980.71 = 430,018.47/x
3. Step 3: Cross multiply
   1,628,012.52x = 2,441,980.71 × 430,018.47
4. Step 4: Simplify right side
   1,628,012.52x = 1,050,096,808,683.71
5. Step 5: Solve for x
   x = 1,050,096,808,683.71/1,628,012.52
6. Step 6: Final answer
   x = 645,017.65