Finding the Fourth Proportional to 73,222,821.45, 109,187,300.25 and 72,565,606.08

Step by Step Solution

1. Step 1: Write the proportion equation
   73,222,821.45 : 109,187,300.25 = 72,565,606.08 : x
2. Step 2: Convert to fraction form
   73,222,821.45/109,187,300.25 = 72,565,606.08/x
3. Step 3: Cross multiply
   73,222,821.45x = 109,187,300.25 × 72,565,606.08
4. Step 4: Simplify right side
   73,222,821.45x = 7,923,242,618,880,185
5. Step 5: Solve for x
   x = 7,923,242,618,880,185/73,222,821.45
6. Step 6: Final answer
   x = 108,207,283.77