Finding the Fourth Proportional to 1,404,071.32, 2,106,104.42 and 457,440.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,071.32 : 2,106,104.42 = 457,440.92 : x
2. Step 2: Convert to fraction form
   1,404,071.32/2,106,104.42 = 457,440.92/x
3. Step 3: Cross multiply
   1,404,071.32x = 2,106,104.42 × 457,440.92
4. Step 4: Simplify right side
   1,404,071.32x = 963,418,343,500.87
5. Step 5: Solve for x
   x = 963,418,343,500.87/1,404,071.32
6. Step 6: Final answer
   x = 686,160.55