Finding the Fourth Proportional to 68,484.39, 102,957.89 and 55,320.01

Step by Step Solution

1. Step 1: Write the proportion equation
   68,484.39 : 102,957.89 = 55,320.01 : x
2. Step 2: Convert to fraction form
   68,484.39/102,957.89 = 55,320.01/x
3. Step 3: Cross multiply
   68,484.39x = 102,957.89 × 55,320.01
4. Step 4: Simplify right side
   68,484.39x = 5,695,631,549.52
5. Step 5: Solve for x
   x = 5,695,631,549.52/68,484.39
6. Step 6: Final answer
   x = 83,166.86