Finding the Fourth Proportional to 523,200, 784,807.38 and 149,223

Step by Step Solution

1. Step 1: Write the proportion equation
   523,200 : 784,807.38 = 149,223 : x
2. Step 2: Convert to fraction form
   523,200/784,807.38 = 149,223/x
3. Step 3: Cross multiply
   523,200x = 784,807.38 × 149,223
4. Step 4: Simplify right side
   523,200x = 117,111,311,665.74
5. Step 5: Solve for x
   x = 117,111,311,665.74/523,200
6. Step 6: Final answer
   x = 223,836.60