Finding the Fourth Proportional to 152,359,677.57, 210,257,590.41 and 82,745,556.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,359,677.57 : 210,257,590.41 = 82,745,556.78 : x
2. Step 2: Convert to fraction form
   152,359,677.57/210,257,590.41 = 82,745,556.78/x
3. Step 3: Cross multiply
   152,359,677.57x = 210,257,590.41 × 82,745,556.78
4. Step 4: Simplify right side
   152,359,677.57x = 17,397,881,385,696,638
5. Step 5: Solve for x
   x = 17,397,881,385,696,638/152,359,677.57
6. Step 6: Final answer
   x = 114,189,539.27