Finding the Fourth Proportional to 72,003,009.94, 99,364,754.66 and 42,251,448.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,003,009.94 : 99,364,754.66 = 42,251,448.31 : x
2. Step 2: Convert to fraction form
   72,003,009.94/99,364,754.66 = 42,251,448.31/x
3. Step 3: Cross multiply
   72,003,009.94x = 99,364,754.66 × 42,251,448.31
4. Step 4: Simplify right side
   72,003,009.94x = 4,198,304,795,352,821.50
5. Step 5: Solve for x
   x = 4,198,304,795,352,821.50/72,003,009.94
6. Step 6: Final answer
   x = 58,307,351.30