Finding the Fourth Proportional to 89,709,236.62, 123,798,793.98 and 48,456,128.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,709,236.62 : 123,798,793.98 = 48,456,128.92 : x
2. Step 2: Convert to fraction form
   89,709,236.62/123,798,793.98 = 48,456,128.92/x
3. Step 3: Cross multiply
   89,709,236.62x = 123,798,793.98 × 48,456,128.92
4. Step 4: Simplify right side
   89,709,236.62x = 5,998,810,321,235,400
5. Step 5: Solve for x
   x = 5,998,810,321,235,400/89,709,236.62
6. Step 6: Final answer
   x = 66,869,483.54