Finding the Fourth Proportional to 69,619.78, 96,072.72 and 37,788

Step by Step Solution

1. Step 1: Write the proportion equation
   69,619.78 : 96,072.72 = 37,788 : x
2. Step 2: Convert to fraction form
   69,619.78/96,072.72 = 37,788/x
3. Step 3: Cross multiply
   69,619.78x = 96,072.72 × 37,788
4. Step 4: Simplify right side
   69,619.78x = 3,630,395,943.36
5. Step 5: Solve for x
   x = 3,630,395,943.36/69,619.78
6. Step 6: Final answer
   x = 52,146.04