Finding the Fourth Proportional to 105,061,623.36, 144,983,526.72 and 58,020,687.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061,623.36 : 144,983,526.72 = 58,020,687.24 : x
2. Step 2: Convert to fraction form
   105,061,623.36/144,983,526.72 = 58,020,687.24/x
3. Step 3: Cross multiply
   105,061,623.36x = 144,983,526.72 × 58,020,687.24
4. Step 4: Simplify right side
   105,061,623.36x = 8,412,043,858,773,303
5. Step 5: Solve for x
   x = 8,412,043,858,773,303/105,061,623.36
6. Step 6: Final answer
   x = 80,067,712.55