Finding the Fourth Proportional to 76,471.76, 105,532.38 and 42,483.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,471.76 : 105,532.38 = 42,483.32 : x
2. Step 2: Convert to fraction form
   76,471.76/105,532.38 = 42,483.32/x
3. Step 3: Cross multiply
   76,471.76x = 105,532.38 × 42,483.32
4. Step 4: Simplify right side
   76,471.76x = 4,483,365,869.90
5. Step 5: Solve for x
   x = 4,483,365,869.90/76,471.76
6. Step 6: Final answer
   x = 58,627.73