Finding the Fourth Proportional to 117,457.68, 162,090.72 and 63,741.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,457.68 : 162,090.72 = 63,741.30 : x
2. Step 2: Convert to fraction form
   117,457.68/162,090.72 = 63,741.30/x
3. Step 3: Cross multiply
   117,457.68x = 162,090.72 × 63,741.30
4. Step 4: Simplify right side
   117,457.68x = 10,331,873,210.74
5. Step 5: Solve for x
   x = 10,331,873,210.74/117,457.68
6. Step 6: Final answer
   x = 87,962.52