Finding the Fourth Proportional to 901,184.88, 1,243,550.72 and 538,536.56

Step by Step Solution

1. Step 1: Write the proportion equation
   901,184.88 : 1,243,550.72 = 538,536.56 : x
2. Step 2: Convert to fraction form
   901,184.88/1,243,550.72 = 538,536.56/x
3. Step 3: Cross multiply
   901,184.88x = 1,243,550.72 × 538,536.56
4. Step 4: Simplify right side
   901,184.88x = 669,697,526,934.32
5. Step 5: Solve for x
   x = 669,697,526,934.32/901,184.88
6. Step 6: Final answer
   x = 743,130.01