Finding the Fourth Proportional to 1,123,017.39, 1,549,764.63 and 613,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,017.39 : 1,549,764.63 = 613,719.72 : x
2. Step 2: Convert to fraction form
   1,123,017.39/1,549,764.63 = 613,719.72/x
3. Step 3: Cross multiply
   1,123,017.39x = 1,549,764.63 × 613,719.72
4. Step 4: Simplify right side
   1,123,017.39x = 951,121,114,789.50
5. Step 5: Solve for x
   x = 951,121,114,789.50/1,123,017.39
6. Step 6: Final answer
   x = 846,933.56