Finding the Fourth Proportional to 523,243, 784,981.50 and 190,819

Step by Step Solution

1. Step 1: Write the proportion equation
   523,243 : 784,981.50 = 190,819 : x
2. Step 2: Convert to fraction form
   523,243/784,981.50 = 190,819/x
3. Step 3: Cross multiply
   523,243x = 784,981.50 × 190,819
4. Step 4: Simplify right side
   523,243x = 149,789,384,848.50
5. Step 5: Solve for x
   x = 149,789,384,848.50/523,243
6. Step 6: Final answer
   x = 286,271.17