Finding the Fourth Proportional to 901,492.34, 1,243,700.73 and 538,783.25

Step by Step Solution

1. Step 1: Write the proportion equation
   901,492.34 : 1,243,700.73 = 538,783.25 : x
2. Step 2: Convert to fraction form
   901,492.34/1,243,700.73 = 538,783.25/x
3. Step 3: Cross multiply
   901,492.34x = 1,243,700.73 × 538,783.25
4. Step 4: Simplify right side
   901,492.34x = 670,085,115,118.27
5. Step 5: Solve for x
   x = 670,085,115,118.27/901,492.34
6. Step 6: Final answer
   x = 743,306.50