Finding the Fourth Proportional to 1,237,602.06, 1,856,404.71 and 339,051.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,602.06 : 1,856,404.71 = 339,051.69 : x
2. Step 2: Convert to fraction form
   1,237,602.06/1,856,404.71 = 339,051.69/x
3. Step 3: Cross multiply
   1,237,602.06x = 1,856,404.71 × 339,051.69
4. Step 4: Simplify right side
   1,237,602.06x = 629,417,154,249.46
5. Step 5: Solve for x
   x = 629,417,154,249.46/1,237,602.06
6. Step 6: Final answer
   x = 508,577.98