Finding the Fourth Proportional to 1,224,978.22, 1,690,354.47 and 1,134,698.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,978.22 : 1,690,354.47 = 1,134,698.86 : x
2. Step 2: Convert to fraction form
   1,224,978.22/1,690,354.47 = 1,134,698.86/x
3. Step 3: Cross multiply
   1,224,978.22x = 1,690,354.47 × 1,134,698.86
4. Step 4: Simplify right side
   1,224,978.22x = 1,918,043,290,104.90
5. Step 5: Solve for x
   x = 1,918,043,290,104.90/1,224,978.22
6. Step 6: Final answer
   x = 1,565,777.46