Finding the Fourth Proportional to 72,008,552.99, 108,013,109.71 and 17,421,050.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,008,552.99 : 108,013,109.71 = 17,421,050.92 : x
2. Step 2: Convert to fraction form
   72,008,552.99/108,013,109.71 = 17,421,050.92/x
3. Step 3: Cross multiply
   72,008,552.99x = 108,013,109.71 × 17,421,050.92
4. Step 4: Simplify right side
   72,008,552.99x = 1,881,701,884,285,456.50
5. Step 5: Solve for x
   x = 1,881,701,884,285,456.50/72,008,552.99
6. Step 6: Final answer
   x = 26,131,644.17