Finding the Fourth Proportional to 74,881.37, 112,290.86 and 30,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   74,881.37 : 112,290.86 = 30,477.98 : x
2. Step 2: Convert to fraction form
   74,881.37/112,290.86 = 30,477.98/x
3. Step 3: Cross multiply
   74,881.37x = 112,290.86 × 30,477.98
4. Step 4: Simplify right side
   74,881.37x = 3,422,398,942.18
5. Step 5: Solve for x
   x = 3,422,398,942.18/74,881.37
6. Step 6: Final answer
   x = 45,704.28