Finding the Fourth Proportional to 1,073,977.74, 1,611,667.48 and 400,597.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,977.74 : 1,611,667.48 = 400,597.71 : x
2. Step 2: Convert to fraction form
   1,073,977.74/1,611,667.48 = 400,597.71/x
3. Step 3: Cross multiply
   1,073,977.74x = 1,611,667.48 × 400,597.71
4. Step 4: Simplify right side
   1,073,977.74x = 645,630,300,767.98
5. Step 5: Solve for x
   x = 645,630,300,767.98/1,073,977.74
6. Step 6: Final answer
   x = 601,157.99