Finding the Fourth Proportional to 72,322,918.81, 99,806,436.74 and 42,560,146.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,322,918.81 : 99,806,436.74 = 42,560,146.84 : x
2. Step 2: Convert to fraction form
   72,322,918.81/99,806,436.74 = 42,560,146.84/x
3. Step 3: Cross multiply
   72,322,918.81x = 99,806,436.74 × 42,560,146.84
4. Step 4: Simplify right side
   72,322,918.81x = 4,247,776,603,231,571
5. Step 5: Solve for x
   x = 4,247,776,603,231,571/72,322,918.81
6. Step 6: Final answer
   x = 58,733,478.59