Finding the Fourth Proportional to 653,004.05, 901,096.16 and 366,468.78

Step by Step Solution

1. Step 1: Write the proportion equation
   653,004.05 : 901,096.16 = 366,468.78 : x
2. Step 2: Convert to fraction form
   653,004.05/901,096.16 = 366,468.78/x
3. Step 3: Cross multiply
   653,004.05x = 901,096.16 × 366,468.78
4. Step 4: Simplify right side
   653,004.05x = 330,223,610,417.89
5. Step 5: Solve for x
   x = 330,223,610,417.89/653,004.05
6. Step 6: Final answer
   x = 505,699.18