Finding the Fourth Proportional to 5,333.30, 7,999.47 and 1,870.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,333.30 : 7,999.47 = 1,870.34 : x
2. Step 2: Convert to fraction form
   5,333.30/7,999.47 = 1,870.34/x
3. Step 3: Cross multiply
   5,333.30x = 7,999.47 × 1,870.34
4. Step 4: Simplify right side
   5,333.30x = 14,961,728.72
5. Step 5: Solve for x
   x = 14,961,728.72/5,333.30
6. Step 6: Final answer
   x = 2,805.34