Finding the Fourth Proportional to 1,314,553.32, 1,971,632.61 and 415,878.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,553.32 : 1,971,632.61 = 415,878.27 : x
2. Step 2: Convert to fraction form
   1,314,553.32/1,971,632.61 = 415,878.27/x
3. Step 3: Cross multiply
   1,314,553.32x = 1,971,632.61 × 415,878.27
4. Step 4: Simplify right side
   1,314,553.32x = 819,959,158,922.39
5. Step 5: Solve for x
   x = 819,959,158,922.39/1,314,553.32
6. Step 6: Final answer
   x = 623,754.96