Finding the Fourth Proportional to 1,103,134.27, 1,521,887.55 and 637,902.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,134.27 : 1,521,887.55 = 637,902.18 : x
2. Step 2: Convert to fraction form
   1,103,134.27/1,521,887.55 = 637,902.18/x
3. Step 3: Cross multiply
   1,103,134.27x = 1,521,887.55 × 637,902.18
4. Step 4: Simplify right side
   1,103,134.27x = 970,815,385,859.86
5. Step 5: Solve for x
   x = 970,815,385,859.86/1,103,134.27
6. Step 6: Final answer
   x = 880,051.88