Finding the Fourth Proportional to 112,667.59, 155,531.52 and 74,450.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,667.59 : 155,531.52 = 74,450.98 : x
2. Step 2: Convert to fraction form
   112,667.59/155,531.52 = 74,450.98/x
3. Step 3: Cross multiply
   112,667.59x = 155,531.52 × 74,450.98
4. Step 4: Simplify right side
   112,667.59x = 11,579,472,934.98
5. Step 5: Solve for x
   x = 11,579,472,934.98/112,667.59
6. Step 6: Final answer
   x = 102,775.55