Finding the Fourth Proportional to 907,477.56, 1,357,796.17 and 541,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   907,477.56 : 1,357,796.17 = 541,385.31 : x
2. Step 2: Convert to fraction form
   907,477.56/1,357,796.17 = 541,385.31/x
3. Step 3: Cross multiply
   907,477.56x = 1,357,796.17 × 541,385.31
4. Step 4: Simplify right side
   907,477.56x = 735,090,900,412.26
5. Step 5: Solve for x
   x = 735,090,900,412.26/907,477.56
6. Step 6: Final answer
   x = 810,037.55