Finding the Fourth Proportional to 152,359,678.57, 210,257,591.79 and 82,745,557.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,359,678.57 : 210,257,591.79 = 82,745,557.78 : x
2. Step 2: Convert to fraction form
   152,359,678.57/210,257,591.79 = 82,745,557.78/x
3. Step 3: Cross multiply
   152,359,678.57x = 210,257,591.79 × 82,745,557.78
4. Step 4: Simplify right side
   152,359,678.57x = 17,397,881,710,143,098
5. Step 5: Solve for x
   x = 17,397,881,710,143,098/152,359,678.57
6. Step 6: Final answer
   x = 114,189,540.65