Finding the Fourth Proportional to 35,560.62, 53,328.58 and 19,789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,560.62 : 53,328.58 = 19,789.72 : x
2. Step 2: Convert to fraction form
   35,560.62/53,328.58 = 19,789.72/x
3. Step 3: Cross multiply
   35,560.62x = 53,328.58 × 19,789.72
4. Step 4: Simplify right side
   35,560.62x = 1,055,357,483.40
5. Step 5: Solve for x
   x = 1,055,357,483.40/35,560.62
6. Step 6: Final answer
   x = 29,677.70