Finding the Fourth Proportional to 108,485.48, 161,773.65 and 99,868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   108,485.48 : 161,773.65 = 99,868.52 : x
2. Step 2: Convert to fraction form
   108,485.48/161,773.65 = 99,868.52/x
3. Step 3: Cross multiply
   108,485.48x = 161,773.65 × 99,868.52
4. Step 4: Simplify right side
   108,485.48x = 16,156,095,000.50
5. Step 5: Solve for x
   x = 16,156,095,000.50/108,485.48
6. Step 6: Final answer
   x = 148,924.03