Finding the Fourth Proportional to 104,505.56, 156,869.04 and 65,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   104,505.56 : 156,869.04 = 65,090.42 : x
2. Step 2: Convert to fraction form
   104,505.56/156,869.04 = 65,090.42/x
3. Step 3: Cross multiply
   104,505.56x = 156,869.04 × 65,090.42
4. Step 4: Simplify right side
   104,505.56x = 10,210,671,698.60
5. Step 5: Solve for x
   x = 10,210,671,698.60/104,505.56
6. Step 6: Final answer
   x = 97,704.58