Finding the Fourth Proportional to 72,008,552.49, 108,013,108.96 and 17,421,050.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,008,552.49 : 108,013,108.96 = 17,421,050.42 : x
2. Step 2: Convert to fraction form
   72,008,552.49/108,013,108.96 = 17,421,050.42/x
3. Step 3: Cross multiply
   72,008,552.49x = 108,013,108.96 × 17,421,050.42
4. Step 4: Simplify right side
   72,008,552.49x = 1,881,701,817,213,113.75
5. Step 5: Solve for x
   x = 1,881,701,817,213,113.75/72,008,552.49
6. Step 6: Final answer
   x = 26,131,643.42