Finding the Fourth Proportional to 89,062,845.98, 122,833,852.58 and 62,688,508.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,062,845.98 : 122,833,852.58 = 62,688,508.47 : x
2. Step 2: Convert to fraction form
   89,062,845.98/122,833,852.58 = 62,688,508.47/x
3. Step 3: Cross multiply
   89,062,845.98x = 122,833,852.58 × 62,688,508.47
4. Step 4: Simplify right side
   89,062,845.98x = 7,700,271,008,020,782
5. Step 5: Solve for x
   x = 7,700,271,008,020,782/89,062,845.98
6. Step 6: Final answer
   x = 86,458,847.39