Finding the Fourth Proportional to 1,408,837.96, 2,113,404.72 and 610,200.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,837.96 : 2,113,404.72 = 610,200.28 : x
2. Step 2: Convert to fraction form
   1,408,837.96/2,113,404.72 = 610,200.28/x
3. Step 3: Cross multiply
   1,408,837.96x = 2,113,404.72 × 610,200.28
4. Step 4: Simplify right side
   1,408,837.96x = 1,289,600,151,897.32
5. Step 5: Solve for x
   x = 1,289,600,151,897.32/1,408,837.96
6. Step 6: Final answer
   x = 915,364.43