Finding the Fourth Proportional to 49,842, 74,779.20 and 34,864.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,842 : 74,779.20 = 34,864.56 : x
2. Step 2: Convert to fraction form
   49,842/74,779.20 = 34,864.56/x
3. Step 3: Cross multiply
   49,842x = 74,779.20 × 34,864.56
4. Step 4: Simplify right side
   49,842x = 2,607,143,905.15
5. Step 5: Solve for x
   x = 2,607,143,905.15/49,842
6. Step 6: Final answer
   x = 52,308.17