Finding the Fourth Proportional to 74,908.58, 103,250.42 and 53,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   74,908.58 : 103,250.42 = 53,111.94 : x
2. Step 2: Convert to fraction form
   74,908.58/103,250.42 = 53,111.94/x
3. Step 3: Cross multiply
   74,908.58x = 103,250.42 × 53,111.94
4. Step 4: Simplify right side
   74,908.58x = 5,483,829,846.46
5. Step 5: Solve for x
   x = 5,483,829,846.46/74,908.58
6. Step 6: Final answer
   x = 73,206.97