Finding the Fourth Proportional to 42,380.76, 63,581.90 and 29,925

Step by Step Solution

1. Step 1: Write the proportion equation
   42,380.76 : 63,581.90 = 29,925 : x
2. Step 2: Convert to fraction form
   42,380.76/63,581.90 = 29,925/x
3. Step 3: Cross multiply
   42,380.76x = 63,581.90 × 29,925
4. Step 4: Simplify right side
   42,380.76x = 1,902,688,357.50
5. Step 5: Solve for x
   x = 1,902,688,357.50/42,380.76
6. Step 6: Final answer
   x = 44,895.10