Finding the Fourth Proportional to 14,158.04, 19,538.15 and 7,870.41

Step by Step Solution

1. Step 1: Write the proportion equation
   14,158.04 : 19,538.15 = 7,870.41 : x
2. Step 2: Convert to fraction form
   14,158.04/19,538.15 = 7,870.41/x
3. Step 3: Cross multiply
   14,158.04x = 19,538.15 × 7,870.41
4. Step 4: Simplify right side
   14,158.04x = 153,773,211.79
5. Step 5: Solve for x
   x = 153,773,211.79/14,158.04
6. Step 6: Final answer
   x = 10,861.20