Finding the Fourth Proportional to 903,003.94, 1,354,298.63 and 538,368.72

Step by Step Solution

1. Step 1: Write the proportion equation
   903,003.94 : 1,354,298.63 = 538,368.72 : x
2. Step 2: Convert to fraction form
   903,003.94/1,354,298.63 = 538,368.72/x
3. Step 3: Cross multiply
   903,003.94x = 1,354,298.63 × 538,368.72
4. Step 4: Simplify right side
   903,003.94x = 729,112,012,751.85
5. Step 5: Solve for x
   x = 729,112,012,751.85/903,003.94
6. Step 6: Final answer
   x = 807,429.50