Finding the Fourth Proportional to 493,550.88, 740,630.88 and 193,978.86

Step by Step Solution

1. Step 1: Write the proportion equation
   493,550.88 : 740,630.88 = 193,978.86 : x
2. Step 2: Convert to fraction form
   493,550.88/740,630.88 = 193,978.86/x
3. Step 3: Cross multiply
   493,550.88x = 740,630.88 × 193,978.86
4. Step 4: Simplify right side
   493,550.88x = 143,666,733,783.20
5. Step 5: Solve for x
   x = 143,666,733,783.20/493,550.88
6. Step 6: Final answer
   x = 291,087.99