Finding the Fourth Proportional to 87,216,469.89, 120,353,304.50 and 48,056,055.18

Step by Step Solution

1. Step 1: Write the proportion equation
   87,216,469.89 : 120,353,304.50 = 48,056,055.18 : x
2. Step 2: Convert to fraction form
   87,216,469.89/120,353,304.50 = 48,056,055.18/x
3. Step 3: Cross multiply
   87,216,469.89x = 120,353,304.50 × 48,056,055.18
4. Step 4: Simplify right side
   87,216,469.89x = 5,783,705,042,147,342
5. Step 5: Solve for x
   x = 5,783,705,042,147,342/87,216,469.89
6. Step 6: Final answer
   x = 66,314,367.57