Finding the Fourth Proportional to 1,153,978.91, 1,592,522.72 and 637,766.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153,978.91 : 1,592,522.72 = 637,766.27 : x
2. Step 2: Convert to fraction form
   1,153,978.91/1,592,522.72 = 637,766.27/x
3. Step 3: Cross multiply
   1,153,978.91x = 1,592,522.72 × 637,766.27
4. Step 4: Simplify right side
   1,153,978.91x = 1,015,657,263,873.21
5. Step 5: Solve for x
   x = 1,015,657,263,873.21/1,153,978.91
6. Step 6: Final answer
   x = 880,135.03