Finding the Fourth Proportional to 152,320,081.29, 210,195,816.78 and 82,703,869.08

Step by Step Solution

1. Step 1: Write the proportion equation
   152,320,081.29 : 210,195,816.78 = 82,703,869.08 : x
2. Step 2: Convert to fraction form
   152,320,081.29/210,195,816.78 = 82,703,869.08/x
3. Step 3: Cross multiply
   152,320,081.29x = 210,195,816.78 × 82,703,869.08
4. Step 4: Simplify right side
   152,320,081.29x = 17,384,007,312,136,786
5. Step 5: Solve for x
   x = 17,384,007,312,136,786/152,320,081.29
6. Step 6: Final answer
   x = 114,128,138.36