Finding the Fourth Proportional to 116,781.59, 161,158.58 and 63,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,781.59 : 161,158.58 = 63,066.60 : x
2. Step 2: Convert to fraction form
   116,781.59/161,158.58 = 63,066.60/x
3. Step 3: Cross multiply
   116,781.59x = 161,158.58 × 63,066.60
4. Step 4: Simplify right side
   116,781.59x = 10,163,723,386.10
5. Step 5: Solve for x
   x = 10,163,723,386.10/116,781.59
6. Step 6: Final answer
   x = 87,031.90