Finding the Fourth Proportional to 4,078.42, 6,117.86 and 1,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,078.42 : 6,117.86 = 1,156.50 : x
2. Step 2: Convert to fraction form
   4,078.42/6,117.86 = 1,156.50/x
3. Step 3: Cross multiply
   4,078.42x = 6,117.86 × 1,156.50
4. Step 4: Simplify right side
   4,078.42x = 7,075,307.98
5. Step 5: Solve for x
   x = 7,075,307.98/4,078.42
6. Step 6: Final answer
   x = 1,734.82