Finding the Fourth Proportional to 49,564.02, 68,225.49 and 42,779.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,564.02 : 68,225.49 = 42,779.57 : x
2. Step 2: Convert to fraction form
   49,564.02/68,225.49 = 42,779.57/x
3. Step 3: Cross multiply
   49,564.02x = 68,225.49 × 42,779.57
4. Step 4: Simplify right side
   49,564.02x = 2,918,656,978.85
5. Step 5: Solve for x
   x = 2,918,656,978.85/49,564.02
6. Step 6: Final answer
   x = 58,886.60