Finding the Fourth Proportional to 112,225.07, 154,870.52 and 71,938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,225.07 : 154,870.52 = 71,938.82 : x
2. Step 2: Convert to fraction form
   112,225.07/154,870.52 = 71,938.82/x
3. Step 3: Cross multiply
   112,225.07x = 154,870.52 × 71,938.82
4. Step 4: Simplify right side
   112,225.07x = 11,141,201,327.54
5. Step 5: Solve for x
   x = 11,141,201,327.54/112,225.07
6. Step 6: Final answer
   x = 99,275.52