Finding the Fourth Proportional to 64,109.51, 96,078.30 and 49,895.15

Step by Step Solution

1. Step 1: Write the proportion equation
   64,109.51 : 96,078.30 = 49,895.15 : x
2. Step 2: Convert to fraction form
   64,109.51/96,078.30 = 49,895.15/x
3. Step 3: Cross multiply
   64,109.51x = 96,078.30 × 49,895.15
4. Step 4: Simplify right side
   64,109.51x = 4,793,841,557.89
5. Step 5: Solve for x
   x = 4,793,841,557.89/64,109.51
6. Step 6: Final answer
   x = 74,775.83