Finding the Fourth Proportional to 76,472.33, 105,548.69 and 42,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,472.33 : 105,548.69 = 42,492.50 : x
2. Step 2: Convert to fraction form
   76,472.33/105,548.69 = 42,492.50/x
3. Step 3: Cross multiply
   76,472.33x = 105,548.69 × 42,492.50
4. Step 4: Simplify right side
   76,472.33x = 4,485,027,709.83
5. Step 5: Solve for x
   x = 4,485,027,709.83/76,472.33
6. Step 6: Final answer
   x = 58,649.03