Finding the Fourth Proportional to 3,191,085.42, 4,787,513.86 and 1,772,137.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191,085.42 : 4,787,513.86 = 1,772,137.95 : x
2. Step 2: Convert to fraction form
   3,191,085.42/4,787,513.86 = 1,772,137.95/x
3. Step 3: Cross multiply
   3,191,085.42x = 4,787,513.86 × 1,772,137.95
4. Step 4: Simplify right side
   3,191,085.42x = 8,484,134,978,396.22
5. Step 5: Solve for x
   x = 8,484,134,978,396.22/3,191,085.42
6. Step 6: Final answer
   x = 2,658,698.80