Finding the Fourth Proportional to 40,853,431.55, 56,376,039.15 and 22,268,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   40,853,431.55 : 56,376,039.15 = 22,268,162.78 : x
2. Step 2: Convert to fraction form
   40,853,431.55/56,376,039.15 = 22,268,162.78/x
3. Step 3: Cross multiply
   40,853,431.55x = 56,376,039.15 × 22,268,162.78
4. Step 4: Simplify right side
   40,853,431.55x = 1,255,390,816,908,298.50
5. Step 5: Solve for x
   x = 1,255,390,816,908,298.50/40,853,431.55
6. Step 6: Final answer
   x = 30,729,139.99