Finding the Fourth Proportional to 42,462.06, 63,694.52 and 19,088.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,462.06 : 63,694.52 = 19,088.57 : x
2. Step 2: Convert to fraction form
   42,462.06/63,694.52 = 19,088.57/x
3. Step 3: Cross multiply
   42,462.06x = 63,694.52 × 19,088.57
4. Step 4: Simplify right side
   42,462.06x = 1,215,836,889.72
5. Step 5: Solve for x
   x = 1,215,836,889.72/42,462.06
6. Step 6: Final answer
   x = 28,633.49