Finding the Fourth Proportional to 34,870.72, 48,120 and 19,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,870.72 : 48,120 = 19,762.50 : x
2. Step 2: Convert to fraction form
   34,870.72/48,120 = 19,762.50/x
3. Step 3: Cross multiply
   34,870.72x = 48,120 × 19,762.50
4. Step 4: Simplify right side
   34,870.72x = 950,971,500
5. Step 5: Solve for x
   x = 950,971,500/34,870.72
6. Step 6: Final answer
   x = 27,271.35