Finding the Fourth Proportional to 72,837, 109,248.18 and 53,154

Step by Step Solution

1. Step 1: Write the proportion equation
   72,837 : 109,248.18 = 53,154 : x
2. Step 2: Convert to fraction form
   72,837/109,248.18 = 53,154/x
3. Step 3: Cross multiply
   72,837x = 109,248.18 × 53,154
4. Step 4: Simplify right side
   72,837x = 5,806,977,759.72
5. Step 5: Solve for x
   x = 5,806,977,759.72/72,837
6. Step 6: Final answer
   x = 79,725.66