Finding the Fourth Proportional to 159,156.57, 238,731.33 and 74,869.98

Step by Step Solution

1. Step 1: Write the proportion equation
   159,156.57 : 238,731.33 = 74,869.98 : x
2. Step 2: Convert to fraction form
   159,156.57/238,731.33 = 74,869.98/x
3. Step 3: Cross multiply
   159,156.57x = 238,731.33 × 74,869.98
4. Step 4: Simplify right side
   159,156.57x = 17,873,809,902.47
5. Step 5: Solve for x
   x = 17,873,809,902.47/159,156.57
6. Step 6: Final answer
   x = 112,303.31