Finding the Fourth Proportional to 42,070.92, 63,092.71 and 13,983.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,070.92 : 63,092.71 = 13,983.42 : x
2. Step 2: Convert to fraction form
   42,070.92/63,092.71 = 13,983.42/x
3. Step 3: Cross multiply
   42,070.92x = 63,092.71 × 13,983.42
4. Step 4: Simplify right side
   42,070.92x = 882,251,862.87
5. Step 5: Solve for x
   x = 882,251,862.87/42,070.92
6. Step 6: Final answer
   x = 20,970.59