Finding the Fourth Proportional to 476,448.02, 657,499.55 and 261,602.00

Step by Step Solution

1. Step 1: Write the proportion equation
   476,448.02 : 657,499.55 = 261,602.00 : x
2. Step 2: Convert to fraction form
   476,448.02/657,499.55 = 261,602.00/x
3. Step 3: Cross multiply
   476,448.02x = 657,499.55 × 261,602.00
4. Step 4: Simplify right side
   476,448.02x = 172,003,192,683.59
5. Step 5: Solve for x
   x = 172,003,192,683.59/476,448.02
6. Step 6: Final answer
   x = 361,011.46