Finding the Fourth Proportional to 74,846.96, 112,071.60 and 45,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,846.96 : 112,071.60 = 45,224.72 : x
2. Step 2: Convert to fraction form
   74,846.96/112,071.60 = 45,224.72/x
3. Step 3: Cross multiply
   74,846.96x = 112,071.60 × 45,224.72
4. Step 4: Simplify right side
   74,846.96x = 5,068,406,729.95
5. Step 5: Solve for x
   x = 5,068,406,729.95/74,846.96
6. Step 6: Final answer
   x = 67,716.94