Finding the Fourth Proportional to 117,354.99, 161,937.98 and 72,034.89

Step by Step Solution

1. Step 1: Write the proportion equation
   117,354.99 : 161,937.98 = 72,034.89 : x
2. Step 2: Convert to fraction form
   117,354.99/161,937.98 = 72,034.89/x
3. Step 3: Cross multiply
   117,354.99x = 161,937.98 × 72,034.89
4. Step 4: Simplify right side
   117,354.99x = 11,665,184,284.01
5. Step 5: Solve for x
   x = 11,665,184,284.01/117,354.99
6. Step 6: Final answer
   x = 99,400.83