Finding the Fourth Proportional to 903,141.72, 1,352,055 and 602,877.60

Step by Step Solution

1. Step 1: Write the proportion equation
   903,141.72 : 1,352,055 = 602,877.60 : x
2. Step 2: Convert to fraction form
   903,141.72/1,352,055 = 602,877.60/x
3. Step 3: Cross multiply
   903,141.72x = 1,352,055 × 602,877.60
4. Step 4: Simplify right side
   903,141.72x = 815,123,673,468
5. Step 5: Solve for x
   x = 815,123,673,468/903,141.72
6. Step 6: Final answer
   x = 902,542.38