Finding the Fourth Proportional to 1,123,019.32, 1,684,344.43 and 403,212.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,019.32 : 1,684,344.43 = 403,212.01 : x
2. Step 2: Convert to fraction form
   1,123,019.32/1,684,344.43 = 403,212.01/x
3. Step 3: Cross multiply
   1,123,019.32x = 1,684,344.43 × 403,212.01
4. Step 4: Simplify right side
   1,123,019.32x = 679,147,903,152.60
5. Step 5: Solve for x
   x = 679,147,903,152.60/1,123,019.32
6. Step 6: Final answer
   x = 604,751.75