Finding the Fourth Proportional to 1,118,719.08, 1,543,818.42 and 609,410.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,719.08 : 1,543,818.42 = 609,410.52 : x
2. Step 2: Convert to fraction form
   1,118,719.08/1,543,818.42 = 609,410.52/x
3. Step 3: Cross multiply
   1,118,719.08x = 1,543,818.42 × 609,410.52
4. Step 4: Simplify right side
   1,118,719.08x = 940,819,186,117.78
5. Step 5: Solve for x
   x = 940,819,186,117.78/1,118,719.08
6. Step 6: Final answer
   x = 840,978.94