Finding the Fourth Proportional to 79,009.31, 109,030.74 and 46,745.60

Step by Step Solution

1. Step 1: Write the proportion equation
   79,009.31 : 109,030.74 = 46,745.60 : x
2. Step 2: Convert to fraction form
   79,009.31/109,030.74 = 46,745.60/x
3. Step 3: Cross multiply
   79,009.31x = 109,030.74 × 46,745.60
4. Step 4: Simplify right side
   79,009.31x = 5,096,706,814.59
5. Step 5: Solve for x
   x = 5,096,706,814.59/79,009.31
6. Step 6: Final answer
   x = 64,507.68