Finding the Fourth Proportional to 1,122,956.88, 1,549,714.32 and 613,667.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,956.88 : 1,549,714.32 = 613,667.76 : x
2. Step 2: Convert to fraction form
   1,122,956.88/1,549,714.32 = 613,667.76/x
3. Step 3: Cross multiply
   1,122,956.88x = 1,549,714.32 × 613,667.76
4. Step 4: Simplify right side
   1,122,956.88x = 951,009,715,394.32
5. Step 5: Solve for x
   x = 951,009,715,394.32/1,122,956.88
6. Step 6: Final answer
   x = 846,879.99