Finding the Fourth Proportional to 1,114,408.35, 1,671,612.53 and 715,499.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,408.35 : 1,671,612.53 = 715,499.55 : x
2. Step 2: Convert to fraction form
   1,114,408.35/1,671,612.53 = 715,499.55/x
3. Step 3: Cross multiply
   1,114,408.35x = 1,671,612.53 × 715,499.55
4. Step 4: Simplify right side
   1,114,408.35x = 1,196,038,009,411.86
5. Step 5: Solve for x
   x = 1,196,038,009,411.86/1,114,408.35
6. Step 6: Final answer
   x = 1,073,249.33