Finding the Fourth Proportional to 523,128.94, 784,700.71 and 149,151.94

Step by Step Solution

1. Step 1: Write the proportion equation
   523,128.94 : 784,700.71 = 149,151.94 : x
2. Step 2: Convert to fraction form
   523,128.94/784,700.71 = 149,151.94/x
3. Step 3: Cross multiply
   523,128.94x = 784,700.71 × 149,151.94
4. Step 4: Simplify right side
   523,128.94x = 117,039,630,881.25
5. Step 5: Solve for x
   x = 117,039,630,881.25/523,128.94
6. Step 6: Final answer
   x = 223,729.99