Finding the Fourth Proportional to 32,139.40, 45,056.60 and 32,139.40

Step by Step Solution

1. Step 1: Write the proportion equation
   32,139.40 : 45,056.60 = 32,139.40 : x
2. Step 2: Convert to fraction form
   32,139.40/45,056.60 = 32,139.40/x
3. Step 3: Cross multiply
   32,139.40x = 45,056.60 × 32,139.40
4. Step 4: Simplify right side
   32,139.40x = 1,448,092,090.04
5. Step 5: Solve for x
   x = 1,448,092,090.04/32,139.40
6. Step 6: Final answer
   x = 45,056.60