Finding the Fourth Proportional to 72,428.95, 108,646.79 and 37,436.95

Step by Step Solution

1. Step 1: Write the proportion equation
   72,428.95 : 108,646.79 = 37,436.95 : x
2. Step 2: Convert to fraction form
   72,428.95/108,646.79 = 37,436.95/x
3. Step 3: Cross multiply
   72,428.95x = 108,646.79 × 37,436.95
4. Step 4: Simplify right side
   72,428.95x = 4,067,404,444.89
5. Step 5: Solve for x
   x = 4,067,404,444.89/72,428.95
6. Step 6: Final answer
   x = 56,157.16