Finding the Fourth Proportional to 10,527.33, 14,528.73 and 7,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,527.33 : 14,528.73 = 7,870.12 : x
2. Step 2: Convert to fraction form
   10,527.33/14,528.73 = 7,870.12/x
3. Step 3: Cross multiply
   10,527.33x = 14,528.73 × 7,870.12
4. Step 4: Simplify right side
   10,527.33x = 114,342,848.55
5. Step 5: Solve for x
   x = 114,342,848.55/10,527.33
6. Step 6: Final answer
   x = 10,861.53