Finding the Fourth Proportional to 117,774.81, 162,492.89 and 71,844.17

Step by Step Solution

1. Step 1: Write the proportion equation
   117,774.81 : 162,492.89 = 71,844.17 : x
2. Step 2: Convert to fraction form
   117,774.81/162,492.89 = 71,844.17/x
3. Step 3: Cross multiply
   117,774.81x = 162,492.89 × 71,844.17
4. Step 4: Simplify right side
   117,774.81x = 11,674,165,641.27
5. Step 5: Solve for x
   x = 11,674,165,641.27/117,774.81
6. Step 6: Final answer
   x = 99,122.77