Finding the Fourth Proportional to 42,084.32, 63,066.32 and 30,903.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.32 : 63,066.32 = 30,903.30 : x
2. Step 2: Convert to fraction form
   42,084.32/63,066.32 = 30,903.30/x
3. Step 3: Cross multiply
   42,084.32x = 63,066.32 × 30,903.30
4. Step 4: Simplify right side
   42,084.32x = 1,948,957,406.86
5. Step 5: Solve for x
   x = 1,948,957,406.86/42,084.32
6. Step 6: Final answer
   x = 46,310.77