Finding the Fourth Proportional to 404,810.84, 607,345.86 and 194,463.56

Step by Step Solution

1. Step 1: Write the proportion equation
   404,810.84 : 607,345.86 = 194,463.56 : x
2. Step 2: Convert to fraction form
   404,810.84/607,345.86 = 194,463.56/x
3. Step 3: Cross multiply
   404,810.84x = 607,345.86 × 194,463.56
4. Step 4: Simplify right side
   404,810.84x = 118,106,638,086.86
5. Step 5: Solve for x
   x = 118,106,638,086.86/404,810.84
6. Step 6: Final answer
   x = 291,757.60