Finding the Fourth Proportional to 5,870.61, 8,756.64 and 5,392.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.61 : 8,756.64 = 5,392.98 : x
2. Step 2: Convert to fraction form
   5,870.61/8,756.64 = 5,392.98/x
3. Step 3: Cross multiply
   5,870.61x = 8,756.64 × 5,392.98
4. Step 4: Simplify right side
   5,870.61x = 47,224,384.39
5. Step 5: Solve for x
   x = 47,224,384.39/5,870.61
6. Step 6: Final answer
   x = 8,044.20