Finding the Fourth Proportional to 181,699,196.96, 250,743,616.30 and 99,192,981.71

Step by Step Solution

1. Step 1: Write the proportion equation
   181,699,196.96 : 250,743,616.30 = 99,192,981.71 : x
2. Step 2: Convert to fraction form
   181,699,196.96/250,743,616.30 = 99,192,981.71/x
3. Step 3: Cross multiply
   181,699,196.96x = 250,743,616.30 × 99,192,981.71
4. Step 4: Simplify right side
   181,699,196.96x = 24,872,006,946,296,012
5. Step 5: Solve for x
   x = 24,872,006,946,296,012/181,699,196.96
6. Step 6: Final answer
   x = 136,885,618.44