Finding the Fourth Proportional to 66,151, 91,289.46 and 37,872.28

Step by Step Solution

1. Step 1: Write the proportion equation
   66,151 : 91,289.46 = 37,872.28 : x
2. Step 2: Convert to fraction form
   66,151/91,289.46 = 37,872.28/x
3. Step 3: Cross multiply
   66,151x = 91,289.46 × 37,872.28
4. Step 4: Simplify right side
   66,151x = 3,457,339,990.17
5. Step 5: Solve for x
   x = 3,457,339,990.17/66,151
6. Step 6: Final answer
   x = 52,264.36