Finding the Fourth Proportional to 69,290.16, 103,928.76 and 19,374.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,290.16 : 103,928.76 = 19,374.72 : x
2. Step 2: Convert to fraction form
   69,290.16/103,928.76 = 19,374.72/x
3. Step 3: Cross multiply
   69,290.16x = 103,928.76 × 19,374.72
4. Step 4: Simplify right side
   69,290.16x = 2,013,590,624.95
5. Step 5: Solve for x
   x = 2,013,590,624.95/69,290.16
6. Step 6: Final answer
   x = 29,060.27