Finding the Fourth Proportional to 623,112.17, 934,667.91 and 149,797.40

Step by Step Solution

1. Step 1: Write the proportion equation
   623,112.17 : 934,667.91 = 149,797.40 : x
2. Step 2: Convert to fraction form
   623,112.17/934,667.91 = 149,797.40/x
3. Step 3: Cross multiply
   623,112.17x = 934,667.91 × 149,797.40
4. Step 4: Simplify right side
   623,112.17x = 140,010,818,108.09
5. Step 5: Solve for x
   x = 140,010,818,108.09/623,112.17
6. Step 6: Final answer
   x = 224,696.01