Finding the Fourth Proportional to 74,353, 102,607.86 and 40,819.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,353 : 102,607.86 = 40,819.72 : x
2. Step 2: Convert to fraction form
   74,353/102,607.86 = 40,819.72/x
3. Step 3: Cross multiply
   74,353x = 102,607.86 × 40,819.72
4. Step 4: Simplify right side
   74,353x = 4,188,424,115.00
5. Step 5: Solve for x
   x = 4,188,424,115.00/74,353
6. Step 6: Final answer
   x = 56,331.61