Finding the Fourth Proportional to 62,870.72, 86,762.65 and 36,015.57

Step by Step Solution

1. Step 1: Write the proportion equation
   62,870.72 : 86,762.65 = 36,015.57 : x
2. Step 2: Convert to fraction form
   62,870.72/86,762.65 = 36,015.57/x
3. Step 3: Cross multiply
   62,870.72x = 86,762.65 × 36,015.57
4. Step 4: Simplify right side
   62,870.72x = 3,124,806,294.46
5. Step 5: Solve for x
   x = 3,124,806,294.46/62,870.72
6. Step 6: Final answer
   x = 49,702.09