Finding the Fourth Proportional to 64,326.78, 88,773.78 and 35,646.36

Step by Step Solution

1. Step 1: Write the proportion equation
   64,326.78 : 88,773.78 = 35,646.36 : x
2. Step 2: Convert to fraction form
   64,326.78/88,773.78 = 35,646.36/x
3. Step 3: Cross multiply
   64,326.78x = 88,773.78 × 35,646.36
4. Step 4: Simplify right side
   64,326.78x = 3,164,461,498.34
5. Step 5: Solve for x
   x = 3,164,461,498.34/64,326.78
6. Step 6: Final answer
   x = 49,193.54