Finding the Fourth Proportional to 72,253,035.98, 99,709,934.79 and 39,213,570.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,253,035.98 : 99,709,934.79 = 39,213,570.44 : x
2. Step 2: Convert to fraction form
   72,253,035.98/99,709,934.79 = 39,213,570.44/x
3. Step 3: Cross multiply
   72,253,035.98x = 99,709,934.79 × 39,213,570.44
4. Step 4: Simplify right side
   72,253,035.98x = 3,909,982,550,956,922.50
5. Step 5: Solve for x
   x = 3,909,982,550,956,922.50/72,253,035.98
6. Step 6: Final answer
   x = 54,115,131.61