Finding the Fourth Proportional to 64,032.32, 88,361.76 and 37,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,032.32 : 88,361.76 = 37,172.72 : x
2. Step 2: Convert to fraction form
   64,032.32/88,361.76 = 37,172.72/x
3. Step 3: Cross multiply
   64,032.32x = 88,361.76 × 37,172.72
4. Step 4: Simplify right side
   64,032.32x = 3,284,646,963.19
5. Step 5: Solve for x
   x = 3,284,646,963.19/64,032.32
6. Step 6: Final answer
   x = 51,296.70