Finding the Fourth Proportional to 42,190.32, 63,214.35 and 25,499.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,190.32 : 63,214.35 = 25,499.46 : x
2. Step 2: Convert to fraction form
   42,190.32/63,214.35 = 25,499.46/x
3. Step 3: Cross multiply
   42,190.32x = 63,214.35 × 25,499.46
4. Step 4: Simplify right side
   42,190.32x = 1,611,931,789.25
5. Step 5: Solve for x
   x = 1,611,931,789.25/42,190.32
6. Step 6: Final answer
   x = 38,206.20