Finding the Fourth Proportional to 12,030.32, 18,045.48 and 5,870

Step by Step Solution

1. Step 1: Write the proportion equation
   12,030.32 : 18,045.48 = 5,870 : x
2. Step 2: Convert to fraction form
   12,030.32/18,045.48 = 5,870/x
3. Step 3: Cross multiply
   12,030.32x = 18,045.48 × 5,870
4. Step 4: Simplify right side
   12,030.32x = 105,926,967.60
5. Step 5: Solve for x
   x = 105,926,967.60/12,030.32
6. Step 6: Final answer
   x = 8,805