Finding the Fourth Proportional to 52,632.84, 72,630.12 and 29,972.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,632.84 : 72,630.12 = 29,972.78 : x
2. Step 2: Convert to fraction form
   52,632.84/72,630.12 = 29,972.78/x
3. Step 3: Cross multiply
   52,632.84x = 72,630.12 × 29,972.78
4. Step 4: Simplify right side
   52,632.84x = 2,176,926,869.69
5. Step 5: Solve for x
   x = 2,176,926,869.69/52,632.84
6. Step 6: Final answer
   x = 41,360.62