Finding the Fourth Proportional to 132,647.29, 198,978.72 and 37,870.19

Step by Step Solution

1. Step 1: Write the proportion equation
   132,647.29 : 198,978.72 = 37,870.19 : x
2. Step 2: Convert to fraction form
   132,647.29/198,978.72 = 37,870.19/x
3. Step 3: Cross multiply
   132,647.29x = 198,978.72 × 37,870.19
4. Step 4: Simplify right side
   132,647.29x = 7,535,361,932.36
5. Step 5: Solve for x
   x = 7,535,361,932.36/132,647.29
6. Step 6: Final answer
   x = 56,807.51